build(workflow): bump ghaction-github-labeler from 3.2.0 to 5.0.0 (#179)

Bumps ghaction-github-labeler from 3.2.0 to 5.0.0.
- https://github.com/crazy-max/ghaction-github-labeler/releases
- crazy-max/ghaction-github-labeler@v3.2.0...v5.0.0

The sync labels that are currently used in this workflow
`crazy-max/ghaction-github-labeler@v3` use **node12**, which is
deprecated and will be forced to run on **node16** as shown in
the **Annotations** warning.

.github/workflows/sync-labels.yml

@@ -22,6 +22,6 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Sync labels
-        uses: crazy-max/ghaction-github-labeler@v3
+        uses: crazy-max/ghaction-github-labeler@v5
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}