build(deps): Bump django from 3.2.19 to 3.2.20 in /cfl_common

Bumps [django](https://github.com/django/django) from 3.2.19 to 3.2.20.
- [Commits](django/django@3.2.19...3.2.20)

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

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

cfl_common/setup.py

@@ -14,7 +14,7 @@
     version=version,
     include_package_data=True,
     install_requires=[
-        "django==3.2.19",
+        "django==3.2.20",
         "djangorestframework==3.13.1",
         "django-two-factor-auth==1.13.2",
         "django-countries==7.3.1",