Bump pydata-sphinx-theme from 0.14.4 to 0.16.1

Bumps [pydata-sphinx-theme](https://github.com/pydata/pydata-sphinx-theme) from 0.14.4 to 0.16.1.
- [Release notes](https://github.com/pydata/pydata-sphinx-theme/releases)
- [Changelog](https://github.com/pydata/pydata-sphinx-theme/blob/main/RELEASE.md)
- [Commits](pydata/pydata-sphinx-theme@v0.14.4...v0.16.1)

---
updated-dependencies:
- dependency-name: pydata-sphinx-theme
  dependency-version: 0.16.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -22,7 +22,7 @@ myst-parser==3.0.1; python_version < "3.10"
 myst-parser==4.0.1; python_version >= "3.10"
 packaging==23.0
 pluggy==1.6.0
-pydata-sphinx-theme==0.14.4
+pydata-sphinx-theme==0.16.1
 Pygments==2.15.1
 pyparsing==3.0.9
 pytest==8.4.0