Update maven.yml

.github/workflows/maven.yml

@@ -31,4 +31,19 @@ jobs:
 
     - name: Run integration test with -Parq-payara-embedded
       run: mvn clean verify -Parq-payara-embedded
-
+  automerge:
+    name: Merge pull request
+    runs-on: ubuntu-latest
+    needs: [build]
+    if: github.base_ref == 'master' && github.actor == 'dependabot[bot]'
+    steps:
+      - name: Merge
+        uses: actions/github-script@0.2.0
+        with:
+          script: |
+            github.pullRequests.merge({
+              owner: context.payload.repository.owner.login,
+              repo: context.payload.repository.name,
+              pull_number: context.payload.pull_request.number
+            })
+          github-token: ${{github.token}}