Bump django from 3.1.5 to 3.1.12 in /frameworks/Python/django (#6629)

Bumps [django](https://github.com/django/django) from 3.1.5 to 3.1.12.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.1.5...3.1.12)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frameworks/Python/django/requirements.txt

@@ -1,4 +1,4 @@
-Django==3.1.5
+Django==3.1.12
 greenlet==0.4.17
 gunicorn==20.0.4
 meinheld==1.0.2