Bump pygments from 2.19.2 to 2.20.0 (#866)

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

@@ -4,6 +4,6 @@ freezegun==1.5.5
 networkx==3.4.2
 pillow==12.1.1
 pydot==3.0.4
-pygments==2.19.2
+pygments==2.20.0
 pytest-cov==7.0.0
 pytest-django==4.11.1