Bump fsspec from 2023.12.1 to 2023.12.2 (zarr-developers#1606)

* Bump fsspec from 2023.12.1 to 2023.12.2

Bumps [fsspec](https://github.com/fsspec/filesystem_spec) from 2023.12.1 to 2023.12.2.
- [Commits](fsspec/filesystem_spec@2023.12.1...2023.12.2)

---
updated-dependencies:
- dependency-name: fsspec
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update requirements_dev_optional.txt

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Joe Hamman <joe@earthmover.io>

requirements_dev_optional.txt

@@ -18,6 +18,6 @@ pytest-cov==4.1.0
 pytest-doctestplus==1.0.0
 pytest-timeout==2.2.0
 h5py==3.10.0
-fsspec==2023.12.1
-s3fs==2023.12.1
+fsspec==2023.12.2
+s3fs==2023.12.2
 moto[server]>=4.0.8