chore(deps-dev): bump black from 25.12.0 to 26.3.1

Bumps [black](https://github.com/psf/black) from 25.12.0 to 26.3.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.12.0...26.3.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

dev-requirements.txt

@@ -1,6 +1,6 @@
 wheel
 mypy
-black==25.12.0
+black==26.3.1
 pytest==9.0.2
 pylint==4.0.4
 nox