Bump pillow from 12.1.0 to 12.1.1 in the pip group across 1 directory

Bumps the pip group with 1 update in the / directory: [pillow](https://github.com/python-pillow/Pillow).


Updates `pillow` from 12.1.0 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@12.1.0...12.1.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ dependencies = [
     "quickpay-api-client==2.0.1",
     "Unidecode==1.4.0",
     # pillow is only here to make old migrations run
-    "Pillow==12.1.0",
+    "Pillow==12.1.1",
     "weasyprint==68.1",
 ]