Bump readthedocs-sphinx-search from 0.2.0 to 0.3.2 in /docs

Bumps [readthedocs-sphinx-search](https://github.com/readthedocs/readthedocs-sphinx-search) from 0.2.0 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

@@ -1,5 +1,5 @@
 Sphinx==6.1.3
 importlib-metadata==6.1.0
 myst-parser==1.0.0
-readthedocs-sphinx-search==0.2.0
+readthedocs-sphinx-search==0.3.2
 sphinx-rtd-theme==1.2.2