Bump pillow from 11.3.0 to 12.1.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.3.0 to 12.1.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@11.3.0...12.1.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -25,7 +25,7 @@ Mako==1.3.10
 MarkupSafe==3.0.2
 mccabe==0.7.0
 oic==1.6.1
-Pillow==11.3.0
+Pillow==12.1.0
 pyasn1==0.6.1
 pyasn1-modules==0.4.2
 pycparser==2.23