pip: bump pygments from 2.15.1 to 2.16.1 (#103)

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
...

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

Author: dependabot[bot]

requirements.txt

@@ -13,7 +13,7 @@ polib==1.2.0
 pomerge==0.1.4
 pospell==1.3
 powrap==1.0.1
-Pygments==2.15.1
+Pygments==2.16.1
 regex==2023.6.3
 requests==2.31.0
 snowballstemmer==2.2.0