Bump pillow from 8.3.2 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.3.2 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/8.3.2...9.3.0)

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

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

requirements/requirements.txt

@@ -9,7 +9,7 @@ requests-futures==0.9.5
 pyserial==3.0
 psutil==5.6.6
 pocketsphinx==0.1.0
-pillow==8.3.2
+pillow==9.3.0
 python-dateutil==2.6.0
 fasteners==0.14.1
 PyYAML~=5.4