Bump mikepenz/release-changelog-builder-action in /build-changelog (#7)

Bumps [mikepenz/release-changelog-builder-action](https://github.com/mikepenz/release-changelog-builder-action) from 3 to 4.
- [Release notes](https://github.com/mikepenz/release-changelog-builder-action/releases)
- [Commits](mikepenz/release-changelog-builder-action@v3...v4)

---
updated-dependencies:
- dependency-name: mikepenz/release-changelog-builder-action
  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>

build-changelog/action.yml

@@ -21,7 +21,7 @@ runs:
       shell: bash
 
     - id: build_changelog
-      uses: mikepenz/release-changelog-builder-action@v3
+      uses: mikepenz/release-changelog-builder-action@v4
       with:
         configuration: ${{ github.action_path }}/config.json
         outputFile: NEXT.md