Bump pillow from 8.0.1 to 8.3.2

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.0.1 to 8.3.2.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/8.0.1...8.3.2)

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

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

requirements.txt

@@ -1,7 +1,7 @@
 Django==3.2.3
 django-agnocomplete==1.0.0
 django-compressor==2.4.1
-Pillow==8.2.0
+Pillow==8.3.2
 psycopg2==2.8.6
 requests==2.25.1
 social-auth-core==4.1.0