Bump the requirements group with 2 updates

Bumps the requirements group with 2 updates: [ipywidgets](https://github.com/jupyter-widgets/ipywidgets) and [pytest-timeout](https://github.com/pytest-dev/pytest-timeout).


Updates `ipywidgets` from 8.1.6 to 8.1.7
- [Release notes](https://github.com/jupyter-widgets/ipywidgets/releases)
- [Commits](jupyter-widgets/ipywidgets@8.1.6...8.1.7)

Updates `pytest-timeout` from 2.3.1 to 2.4.0
- [Commits](pytest-dev/pytest-timeout@2.3.1...2.4.0)

---
updated-dependencies:
- dependency-name: ipywidgets
  dependency-version: 8.1.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: requirements
- dependency-name: pytest-timeout
  dependency-version: 2.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: requirements
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements_dev_optional.txt

@@ -3,7 +3,7 @@
 lmdb==1.6.2; sys_platform != 'win32'
 # optional library requirements for Jupyter
 ipytree==0.2.2
-ipywidgets==8.1.6
+ipywidgets==8.1.7
 azure-storage-blob==12.24.1
 redis==5.2.1
 types-redis
@@ -13,7 +13,7 @@ pymongo==4.12.1
 coverage
 pytest-cov==6.1.1
 pytest-doctestplus==1.4.0
-pytest-timeout==2.3.1
+pytest-timeout==2.4.0
 h5py==3.13.0
 fsspec==2023.12.2
 s3fs==2023.12.2