:arrow_up: Bump reuse from 5.0.2 to 5.1.1 in /cmake/requirements (#4910)

Bumps [reuse](https://github.com/fsfe/reuse-tool) from 5.0.2 to 5.1.1.
- [Release notes](https://github.com/fsfe/reuse-tool/releases)
- [Changelog](https://github.com/fsfe/reuse-tool/blob/main/CHANGELOG.md)
- [Commits](https://github.com/fsfe/reuse-tool/compare/v5.0.2...v5.1.1)

---
updated-dependencies:
- dependency-name: reuse
  dependency-version: 5.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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