Bump pillow from 8.4.0 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.4.0 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](python-pillow/Pillow@8.4.0...9.3.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -6,7 +6,7 @@ asyncpg==0.25.0
 faker==10.0.0
 cryptg~=0.2.post0
 spamwatch~=0.3.0
-Pillow==8.4.0
+Pillow==9.3.0
 kantex~=0.2.0
 git+https://github.com/mojurasu/photohash@ff4d85ad0117f5368d4d5c4ed1111570aae3096f