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

@@ -12,7 +12,7 @@ mdurl==0.1.2
 pelican==4.10.2
 pelican-liquid-tags==1.0.4
 pelican-sitemap==1.2.0
-Pygments==2.18.0
+Pygments==2.19.0
 python-dateutil==2.9.0.post0
 python-editor==1.0.4
 python-slugify==8.0.4