build(deps): bump pillow from 5.0.0 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 5.0.0 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@5.0.0...9.3.0)

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

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

requirements.txt

@@ -37,7 +37,7 @@ packaging==19.0
 paramiko==2.4.2
 pathtools==0.1.2
 pbr==5.1.3
-Pillow==6.0.0
+Pillow==9.3.0
 pip-autoremove==0.9.1
 pipdeptree==0.13.2
 pkginfo==1.5.0.1