Bump pillow from 8.0.0 to 9.3.0 in /scripts

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.0.0 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@8.0.0...9.3.0)

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

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

scripts/requirements.txt

@@ -6,7 +6,7 @@ iniparse==0.4
 kiwisolver==1.2.0
 matplotlib==3.3.2
 numpy==1.19.2
-Pillow==8.0.0
+Pillow==9.3.0
 pyclustering==0.10.0.1
 pyparsing==2.4.7
 python-dateutil==2.8.1