build(deps): bump dorny/paths-filter from 3 to 4

Bumps [dorny/paths-filter](https://github.com/dorny/paths-filter) from 3 to 4.
- [Release notes](https://github.com/dorny/paths-filter/releases)
- [Changelog](https://github.com/dorny/paths-filter/blob/master/CHANGELOG.md)
- [Commits](https://github.com/dorny/paths-filter/compare/v3...v4)

---
updated-dependencies:
- dependency-name: dorny/paths-filter
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Daniel Volz <mail@danielvolz.org>

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
       backend: ${{ steps.filter.outputs.backend }}
       frontend: ${{ steps.filter.outputs.frontend }}
     steps:
-      - uses: dorny/paths-filter@v3
+      - uses: dorny/paths-filter@v4
         id: filter
         with:
           filters: |