Bump pygments from 2.10.0 to 2.11.1

Bumps [pygments](https://github.com/pygments/pygments) from 2.10.0 to 2.11.1.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](https://github.com/pygments/pygments/compare/2.10.0...2.11.1)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

docs/requirements.txt

@@ -8,5 +8,5 @@ mkdocs-material==8.1.3
 mkdocs-minify-plugin==0.5.0
 mkdocs-redirects==1.0.3
 mkdocs==1.2.3
-pygments==2.10.0
+pygments==2.11.1
 pymdown-extensions==9.1