ci: github: bump fsfe/reuse-action from 1 to 4

Bumps [fsfe/reuse-action](https://github.com/fsfe/reuse-action) from 1 to 4.
- [Release notes](https://github.com/fsfe/reuse-action/releases)
- [Commits](https://github.com/fsfe/reuse-action/compare/v1...v4

)

---
updated-dependencies:
- dependency-name: fsfe/reuse-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>