build(deps): update pillow requirement from <11.4,>=10.3 to >=10.3,<12.1

Updates the requirements on [pillow](https://github.com/python-pillow/Pillow) to permit the latest version.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.3.0...12.0.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-insiders.txt

@@ -6,6 +6,6 @@ git+https://${GH_TOKEN_MATERIAL_INSIDERS}@github.com/squidfunk/mkdocs-material-i
 
 # social plugin requirements
 cairosvg~=2.8
-Pillow>=10.3,<11.4
+Pillow>=10.3,<12.1
 
 -r requirements.txt