Fix CI by temporarily pinning fsspec < 2023.3.0
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<summary>Show benchmarks</summary>

PyArrow==6.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.008771 / 0.011353 (-0.002582) | 0.004665 / 0.011008 (-0.006343) | 0.101645 / 0.038508 (0.063137) | 0.030190 / 0.023109 (0.007081) | 0.298581 / 0.275898 (0.022683) | 0.371206 / 0.323480 (0.047727) | 0.007272 / 0.007986 (-0.000714) | 0.003432 / 0.004328 (-0.000896) | 0.078645 / 0.004250 (0.074395) | 0.037640 / 0.037052 (0.000588) | 0.314014 / 0.258489 (0.055525) | 0.345682 / 0.293841 (0.051841) | 0.033675 / 0.128546 (-0.094871) | 0.011513 / 0.075646 (-0.064134) | 0.320683 / 0.419271 (-0.098589) | 0.041633 / 0.043533 (-0.001900) | 0.302697 / 0.255139 (0.047558) | 0.323560 / 0.283200 (0.040361) | 0.089309 / 0.141683 (-0.052374) | 1.477570 / 1.452155 (0.025415) | 1.528004 / 1.492716 (0.035287) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.184710 / 0.018006 (0.166704) | 0.412794 / 0.000490 (0.412305) | 0.001421 / 0.000200 (0.001221) | 0.000069 / 0.000054 (0.000014) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.023133 / 0.037411 (-0.014278) | 0.099492 / 0.014526 (0.084967) | 0.104806 / 0.176557 (-0.071751) | 0.150765 / 0.737135 (-0.586370) | 0.110127 / 0.296338 (-0.186211) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.438642 / 0.215209 (0.223433) | 4.349753 / 2.077655 (2.272098) | 2.178754 / 1.504120 (0.674634) | 1.952839 / 1.541195 (0.411645) | 1.840574 / 1.468490 (0.372084) | 0.694016 / 4.584777 (-3.890761) | 3.375186 / 3.745712 (-0.370526) | 1.892391 / 5.269862 (-3.377470) | 1.177643 / 4.565676 (-3.388033) | 0.082328 / 0.424275 (-0.341947) | 0.012280 / 0.007607 (0.004673) | 0.534478 / 0.226044 (0.308434) | 5.377043 / 2.268929 (3.108114) | 2.645273 / 55.444624 (-52.799351) | 2.336391 / 6.876477 (-4.540086) | 2.387917 / 2.142072 (0.245845) | 0.814399 / 4.805227 (-3.990828) | 0.149226 / 6.500664 (-6.351438) | 0.066614 / 0.075469 (-0.008855) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.205467 / 1.841788 (-0.636321) | 13.857481 / 8.074308 (5.783173) | 14.269958 / 10.191392 (4.078566) | 0.152199 / 0.680424 (-0.528225) | 0.029083 / 0.534201 (-0.505118) | 0.397590 / 0.579283 (-0.181693) | 0.410587 / 0.434364 (-0.023777) | 0.480479 / 0.540337 (-0.059858) | 0.576014 / 1.386936 (-0.810922) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.006956 / 0.011353 (-0.004397) | 0.004914 / 0.011008 (-0.006094) | 0.077571 / 0.038508 (0.039063) | 0.028309 / 0.023109 (0.005200) | 0.344523 / 0.275898 (0.068625) | 0.383039 / 0.323480 (0.059560) | 0.005202 / 0.007986 (-0.002783) | 0.003513 / 0.004328 (-0.000816) | 0.076393 / 0.004250 (0.072142) | 0.042035 / 0.037052 (0.004982) | 0.342950 / 0.258489 (0.084461) | 0.387432 / 0.293841 (0.093591) | 0.032267 / 0.128546 (-0.096280) | 0.011914 / 0.075646 (-0.063732) | 0.087140 / 0.419271 (-0.332131) | 0.042624 / 0.043533 (-0.000909) | 0.342391 / 0.255139 (0.087253) | 0.367016 / 0.283200 (0.083817) | 0.091757 / 0.141683 (-0.049926) | 1.515845 / 1.452155 (0.063690) | 1.607929 / 1.492716 (0.115213) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.234461 / 0.018006 (0.216455) | 0.420430 / 0.000490 (0.419941) | 0.000403 / 0.000200 (0.000203) | 0.000059 / 0.000054 (0.000005) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.026639 / 0.037411 (-0.010772) | 0.101860 / 0.014526 (0.087334) | 0.109696 / 0.176557 (-0.066860) | 0.160902 / 0.737135 (-0.576233) | 0.112431 / 0.296338 (-0.183907) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.438444 / 0.215209 (0.223235) | 4.378881 / 2.077655 (2.301226) | 2.063975 / 1.504120 (0.559855) | 1.863069 / 1.541195 (0.321874) | 1.955684 / 1.468490 (0.487193) | 0.694106 / 4.584777 (-3.890671) | 3.467683 / 3.745712 (-0.278029) | 2.882441 / 5.269862 (-2.387421) | 1.484533 / 4.565676 (-3.081143) | 0.082682 / 0.424275 (-0.341593) | 0.012597 / 0.007607 (0.004990) | 0.539219 / 0.226044 (0.313174) | 5.384838 / 2.268929 (3.115909) | 2.528273 / 55.444624 (-52.916351) | 2.190332 / 6.876477 (-4.686145) | 2.252573 / 2.142072 (0.110500) | 0.801047 / 4.805227 (-4.004180) | 0.151082 / 6.500664 (-6.349582) | 0.067564 / 0.075469 (-0.007905) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.306469 / 1.841788 (-0.535319) | 14.220154 / 8.074308 (6.145846) | 13.300979 / 10.191392 (3.109586) | 0.153827 / 0.680424 (-0.526597) | 0.016818 / 0.534201 (-0.517383) | 0.383528 / 0.579283 (-0.195755) | 0.393970 / 0.434364 (-0.040394) | 0.468395 / 0.540337 (-0.071943) | 0.558748 / 1.386936 (-0.828188) |

</details>
</details>

![](https://cml.dev/watermark.png#824860ca204a3bd84a7d63f71df5df4c56c2432f "CML watermark")

As a hotfix for our CI, temporarily pin `fsspec`:

Fix #5616.

Until root cause is fixed, see:
- #5614