chore(deps): bump pygments from 2.19.2 to 2.20.0 (#261)

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]

docs/requirements.txt

@@ -129,7 +129,7 @@ ptyprocess==0.7.0 ; python_version >= "3.10" and python_version < "3.14" and (os
 pure-eval==0.2.3 ; python_version >= "3.10" and python_version < "3.14"
 pyarrow==23.0.0 ; python_version >= "3.10" and python_version < "3.14"
 pycparser==3.0 ; python_version >= "3.10" and python_version < "3.14" and implementation_name != "PyPy"
-pygments==2.19.2 ; python_version >= "3.10" and python_version < "3.14"
+pygments==2.20.0 ; python_version >= "3.10" and python_version < "3.14"
 pylint==4.0.4 ; python_version >= "3.10" and python_version < "3.14"
 pymatreader==1.1.0 ; python_version >= "3.10" and python_version < "3.14"
 pymdown-extensions==10.20.1 ; python_version >= "3.10" and python_version < "3.14"