build(deps): Bump django from 4.2.18 to 4.2.20 (#228)

Bumps [django](https://github.com/django/django) from 4.2.18 to 4.2.20.
- [Commits](django/django@4.2.18...4.2.20)

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

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

Author: dependabot[bot]

requirements.txt

@@ -30,7 +30,7 @@ contextlib2==0.6.0.post1
     # via schema
 defusedxml==0.7.1
     # via odfpy
-django==4.2.18
+django==4.2.20
     # via
     #   -r requirements.in
     #   django-bootstrap3

requirements_dev.txt

@@ -60,7 +60,7 @@ defusedxml==0.7.1
     # via
     #   -r requirements.txt
     #   odfpy
-django==4.2.18
+django==4.2.20
     # via
     #   -r requirements.txt
     #   django-bootstrap3