build(deps): bump pillow from 11.3.0 to 12.1.1

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.3.0 to 12.1.1.
- [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...12.1.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.1.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.pinned.txt

@@ -144,7 +144,7 @@ packaging==24.2
 parso==0.8.5
 passlib==1.7.4
 pexpect==4.9.0
-pillow==11.3.0
+pillow==12.1.1
 pluggy==1.6.0
 ply==3.11
 polib==1.2.0