Bump django from 3.2.1 to 3.2.20

Bumps [django](https://github.com/django/django) from 3.2.1 to 3.2.20.
- [Commits](https://github.com/django/django/compare/3.2.1...3.2.20)

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

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

requirements.txt

diff --git a/requirements.txt b/requirements.txt
index 63608db..8d1704a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 decorator==5.0.9

-Django==3.2.1

+Django==3.2.20

 django-cors-headers==3.7.0

 django-filter==2.4.0

 djangorestframework==3.12.4