build(deps-dev): bump black in the uv group across 1 directory (#1102)

Bumps the uv group with 1 update in the / directory: [black](https://github.com/psf/black).


Updates `black` from 26.1.0 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@26.1.0...26.3.1)

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

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Author: dependabot[bot]