Bump pydata-sphinx-theme from 0.14.1 to 0.14.4 (#30655)

Bumps [pydata-sphinx-theme](https://github.com/pydata/pydata-sphinx-theme) from 0.14.1 to 0.14.4.
- [Release notes](https://github.com/pydata/pydata-sphinx-theme/releases)
- [Commits](pydata/pydata-sphinx-theme@v0.14.1...v0.14.4)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/requirements.txt

@@ -3,4 +3,4 @@ Sphinx>=4.5
 sphinx-book-theme
 myst-parser
 breathe>=4.34
-pydata-sphinx-theme==0.14.1
+pydata-sphinx-theme==0.14.4