Bump fuxingloh/multi-labeler from 1 to 4

Bumps [fuxingloh/multi-labeler](https://github.com/fuxingloh/multi-labeler) from 1 to 4.
- [Release notes](https://github.com/fuxingloh/multi-labeler/releases)
- [Commits](fuxingloh/multi-labeler@v1...v4)

---
updated-dependencies:
- dependency-name: fuxingloh/multi-labeler
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/pull-request.yml

@@ -34,6 +34,6 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Assign and check labels"
-        uses: fuxingloh/multi-labeler@v1
+        uses: fuxingloh/multi-labeler@v4
         with:
           config-path: .github/pr-labeler.yml