Bump pygments from 2.13.0 to 2.15.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.13.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.13.0...2.15.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:production
...

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

requirements.txt

@@ -12,7 +12,7 @@ mkdocs-markdownextradata-plugin==0.2.5
 mkdocs-material==8.5.10
 mkdocs-material-extensions==1.1.1
 packaging==21.3
-Pygments==2.13.0
+Pygments==2.15.0
 pymdown-extensions==10.0
 pyparsing==3.0.9
 python-dateutil==2.8.2