build(deps): bump pygments from 2.15.1 to 2.16.1

Bumps [pygments](https://github.com/pygments/pygments) from 2.15.1 to 2.16.1.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.15.1...2.16.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ mkdocs-material-extensions==1.1.1
 mkdocs-redirects==1.2.1
 mkdocs-mermaid2-plugin==1.0.6
 pep562==1.1
-Pygments==2.15.1
+Pygments==2.16.1
 pymdown-extensions==10.1
 PyYAML==6.0.1
 six==1.16.0