build(deps): bump pillow from 9.1.1 to 9.3.0 in /requirements

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.1.1 to 9.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/9.1.1...9.3.0)

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

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

requirements/requirements.txt

@@ -80,7 +80,7 @@ drf-yasg==1.20.0
 coreapi==2.3.3
 coreschema==0.0.4
 openapi-codec==1.3.2
-Pillow==9.1.1
+Pillow==9.3.0
 pytz==2022.1
 # Runtime
 django-proxy==1.2.1