Bump pygments from 2.18.0 to 2.19.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.18.0 to 2.19.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.18.0...2.19.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -3,7 +3,7 @@
 # https://github.com/readthedocs/readthedocs.org/blob/master/requirements/docs.txt
 
 # Base dependencies
-pygments==2.18.0
+pygments==2.19.0
 
 # Sphinx base and RTD theme.
 sphinx==8.1.3