Bump readthedocs-sphinx-search from 0.3.1 to 0.3.2 in /docs (#642)

Bumps [readthedocs-sphinx-search](https://github.com/readthedocs/readthedocs-sphinx-search) from 0.3.1 to 0.3.2.
- [Changelog](https://github.com/readthedocs/readthedocs-sphinx-search/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/readthedocs/readthedocs-sphinx-search/commits/0.3.2)

---
updated-dependencies:
- dependency-name: readthedocs-sphinx-search
  dependency-type: direct:production
...

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

docs/requirements.txt

@@ -21,7 +21,7 @@ myst-parser==2.0.0
 packaging==23.1
 pygments==2.16.1
 pyyaml==6.0.1
-readthedocs-sphinx-search==0.3.1
+readthedocs-sphinx-search==0.3.2
 requests==2.31.0
 six==1.16.0
 snowballstemmer==2.2.0