chore(deps-dev): bump black from 26.3.1 to 26.5.1 in /requirements

Bumps [black](https://github.com/psf/black) from 26.3.1 to 26.5.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.3.1...26.5.1)

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

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

Author: dependabot[bot]

requirements/dev.txt

@@ -8,5 +8,5 @@ parameterized==0.9.0
 pyelftools~=0.32 # Used to verify the generated Go binary architecture in integration tests (utils.py)
 
 # formatter
-black==26.3.1
+black==26.5.1
 ruff==0.15.11