Bump pygments from 2.19.2 to 2.20.0 (#521)

Bumps [pygments](https://github.com/pygments/pygments) from 2.19.2 to 2.20.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.19.2...2.20.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-version: 2.20.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -10,7 +10,7 @@ sphinx-sitemap==2.8.0
 git+https://github.com/haampie/furo.git@c1d161cb9e04b481ec3331db981aacfa132ecaa6#egg=furo
 python-levenshtein==0.27.1
 docutils==0.21.2
-pygments==2.19.2
+pygments==2.20.0
 urllib3==2.6.0
 pytest==8.4.2
 isort==6.0.1