build(deps): bump pillow from 11.1.0 to 11.2.1 (#360)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.1.0 to 11.2.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@11.1.0...11.2.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 11.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -84,7 +84,7 @@ docs = [
 ]
 tests = [
   "numpy==2.2.4 ; sys_platform == 'linux' and python_version == '3.13'",
-  "pillow==11.1.0 ; sys_platform == 'linux' and python_version == '3.13'",
+  "pillow==11.2.1 ; sys_platform == 'linux' and python_version == '3.13'",
   "pytest==8.3.5",
   "pytest-cov==6.1.1",
   "pytest-rerunfailures==15.0",