Update black requirement from >=22.0.0 to >=26.5.1

Updates the requirements on [black](https://github.com/psf/black) to permit the latest version.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@22.1.0...26.5.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.5.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -13,7 +13,7 @@ mypy>=2.1.0
 types-PyYAML>=6.0.12.20260518
 
 # Code formatting
-black>=22.0.0
+black>=26.5.1
 
 # Pre-commit hooks
 pre-commit>=3.0.0