Bump pygments from 2.13.0 to 2.16.1 (#167)

Bumps [pygments](https://github.com/pygments/pygments) from 2.13.0 to 2.16.1.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.13.0...2.16.1)

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -7,7 +7,7 @@ sphinxcontrib-mermaid==0.6.3
 sphinx-typlog-theme==0.8.0
 tomlkit==0.7.2
 m2r2==0.2.7
-pygments==2.13.0
+pygments==2.16.1
 
 # TODO: Remove this lock when we found and fix the route case.
 # See: https://github.com/typlog/sphinx-typlog-theme/issues/22