chore(deps): bump markupsafe from 2.1.4 to 2.1.5 in /docs/_build

Bumps [markupsafe](https://github.com/pallets/markupsafe) from 2.1.4 to 2.1.5.
- [Release notes](https://github.com/pallets/markupsafe/releases)
- [Changelog](https://github.com/pallets/markupsafe/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/markupsafe/compare/2.1.4...2.1.5)

---
updated-dependencies:
- dependency-name: markupsafe
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

docs/_build/requirements.txt

@@ -4,7 +4,7 @@ ghp-import==2.1.0
 importlib-metadata==7.0.1
 Jinja2==3.1.3
 Markdown>=3.2.1,<3.6
-MarkupSafe==2.1.4
+MarkupSafe==2.1.5
 mergedeep==1.3.4
 mkdocs==1.5.3
 mkdocs-exclude==1.0.2