Bump pillow from 8.1.1 to 8.2.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.1.1 to 8.2.0.
- [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/8.1.1...8.2.0

)

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

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

requirements.txt

@@ -37,7 +37,7 @@ mailchimp3==3.0.14
 mistune==0.8.4
 more-itertools==8.6.0
 phonenumberslite==8.12.16
-Pillow==8.1.1
+Pillow==8.2.0
 psycopg2==2.8.6
 reportlab==3.5.59
 social_auth_app_django==4.0.0