Bump pillow from 11.3.0 to 12.2.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.3.0 to 12.2.0.
- [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...12.2.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 aiohttp==3.13.3
 discord.py==2.7.1
-Pillow==11.3.0
+Pillow==12.2.0
 pytz==2026.1.post1