Bump markupsafe from 2.1.2 to 2.1.5 (#1143)

Bumps [markupsafe](https://github.com/pallets/markupsafe) from 2.1.2 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/2.1.2...2.1.5)

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

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

docs/requirements.txt

@@ -19,7 +19,7 @@ lazy-object-proxy==1.10.0
 livereload==2.6.3
 lsprotocol==2023.0.1
 markdown-it-py==3.0.0
-MarkupSafe==2.1.2
+MarkupSafe==2.1.5
 mdit-py-plugins==0.4.0
 mdurl==0.1.2
 myst-parser==2.0.0