Build(deps): bump the pip-deps group in /requirements with 1 update (#…

…165)

Bumps the pip-deps group in /requirements with 1 update: [pandas](https://github.com/pandas-dev/pandas).

- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.1.0...v2.1.1)

---
updated-dependencies:
- dependency-name: pandas
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
...

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

requirements/requirements_docs.txt

@@ -11,7 +11,7 @@ sphinx-gallery==0.14.0
 sphinx-notfound-page==1.0.0
 sphinxcontrib-websupport==1.2.6
 sphinxemoji==0.2.0
-pandas==2.1.0
+pandas==2.1.1
 pandoc>=2.1
 matplotlib==3.8.0
 breathe>=4.33.1