Setup PR labeler github actions

Author: cscarpitta

.github/workflows/pr_labeler.yml

@@ -0,0 +1,27 @@
+# Workflow to associate labels automatically
+name: labeler
+
+# Trigger the workflow on pull request events
+on: [pull_request]
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      # We need to checkout the repository to access the configured file (.github/label-pr.yml)
+      - uses: actions/checkout@v2
+      - name: Labeler
+        uses: docker://decathlon/pull-request-labeler-action:2.0.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # Here we can override the path for the action configuration. If none is provided, default one is `.github/label-pr.yml`
+          # CONFIG_PATH: ${{ secrets.GITHUB_WORKSPACE }}/.github/label-pr.yml
+
+  pr-labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: TimonVS/pr-labeler-action@v3
+        # with:
+        #  configuration-path: .github/pr-labeler.yml # optional, .github/pr-labeler.yml is the default value
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}