Bump django from 3.2.16 to 3.2.18

Bumps [django](https://github.com/django/django) from 3.2.16 to 3.2.18.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.2.16...3.2.18)

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

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

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ coreapi==2.3.3
 coreschema==0.0.4
 coverage==5.5
 distlib==0.3.6
-Django==3.2.16
+Django==3.2.18
 django-cors-headers==3.13.0
 django-crontab==0.7.1
 django-storages==1.13.2