Merge pull request 'Update dependency Pygments to v2.15.1' (#9) from renovate/pygments-2.x into main

Reviewed-on: https://git.nick-slowinski.de/nick-slowinski.de/docs/pulls/9

requirements.txt

@@ -16,7 +16,7 @@ mkdocs-git-revision-date-localized-plugin==1.1.0
 mkdocs-material==9.1.17
 mkdocs-material-extensions==1.1.1
 packaging==23.0
-Pygments==2.14.0
+Pygments==2.15.1
 pymdown-extensions==9.9.2
 python-dateutil==2.8.2
 pytz==2023.3