Bump readthedocs-sphinx-search from 0.3.1 to 0.3.2 in /docs

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
...

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

docs/requirements.txt

@@ -28,7 +28,7 @@ packaging==23.1
     # via sphinx
 pygments==2.15.1
     # via sphinx
-readthedocs-sphinx-search==0.3.1
+readthedocs-sphinx-search==0.3.2
     # via -r requirements.in
 requests==2.31.0
     # via sphinx