Bump pygments from 2.17.2 to 2.20.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.17.2 to 2.20.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.17.2...2.20.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-version: 2.20.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-docs.txt

@@ -10,7 +10,7 @@ imagesize==1.4.1
 jinja2==3.1.6
 markupsafe==2.1.3
 packaging==25.0
-pygments==2.17.2
+pygments==2.20.0
 requests==2.33.0
 snowballstemmer==2.2.0
 soupsieve==2.5