Bump pillow from 9.3.0 to 9.4.0 (#1083)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.3.0 to 9.4.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@9.3.0...9.4.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements_dev.txt

@@ -5,7 +5,7 @@
 backports.cached-property==1.0.2; python_version<="3.7"
 coveralls==3.3.1
 flake8==5.0.4
-pillow==9.3.0
+pillow==9.4.0
 pytest==7.2.0
 pytest-cache==1.0
 pytest-cov==4.0.0