Update pygments requirement from ~=2.11.2 to ~=2.12.0

Updates the requirements on [pygments](https://github.com/pygments/pygments) to permit the latest version.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.11.2...2.12.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:production
...

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

requirements.txt

@@ -3,7 +3,7 @@ pillow~=9.1.0
 django-crispy-forms~=1.14.0
 Markdown~=3.3.6
 Unidecode~=1.3.4
-Pygments~=2.11.2
+Pygments~=2.12.0
 django-mdeditor~=0.1.20
 requests~=2.27.1
 djangorestframework~=3.13.1