Bump pillow from 9.0.1 to 9.3.0 (#310)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.0.1 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](python-pillow/Pillow@9.0.1...9.3.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -18,7 +18,7 @@ mccabe==0.6.1
 oauthlib==3.1.0
 openpyxl==3.0.3
 pilkit==2.0
-Pillow==9.0.1
+Pillow==9.3.0
 pycodestyle==2.7.0
 pycparser==2.20
 pyflakes==2.3.1