ci(deps): bump srvaroa/labeler from 1.6.1 to 1.6.3

Bumps [srvaroa/labeler](https://github.com/srvaroa/labeler) from 1.6.1 to 1.6.3.
- [Release notes](https://github.com/srvaroa/labeler/releases)
- [Commits](srvaroa/labeler@v1.6.1...v1.6.3)

---
updated-dependencies:
- dependency-name: srvaroa/labeler
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/validate_pr.yml

@@ -40,6 +40,6 @@ jobs:
           requireScope: false
 
       - name: "Label PR"
-        uses: srvaroa/labeler@v1.6.1 # https://github.com/srvaroa/labeler
+        uses: srvaroa/labeler@v1.6.3 # https://github.com/srvaroa/labeler
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"