build(deps-dev): bump black from 25.11.0 to 25.12.0

Bumps [black](https://github.com/psf/black) from 25.11.0 to 25.12.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.11.0...25.12.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -32,7 +32,7 @@ coverage = [
     "coverage==7.8.0"
 ]
 formatting = [
-    "black==25.11.0",
+    "black==25.12.0",
     "isort==6.0.1"
 ]
 linting = [