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>

.github/workflows/nix.yml

@@ -22,7 +22,7 @@ jobs:
 
       - name: "Get changed files"
         id: changed-files
-        uses: dorny/paths-filter@v3
+        uses: dorny/paths-filter@v4
         with:
           filters: |
             files: