chore: exit early when the int test shall not be run

Author: reshnm

.github/workflows/integration_test_pr.yaml

@@ -8,6 +8,11 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest-8core
+    if: |
+      github.actor == 'renovate[bot]' ||
+      github.actor == 'dependabot[bot]' ||
+      contains(github.event.pull_request.title, 'run-int-tests') ||
+      contains(github.event.head_commit.message, 'run-int-tests')
 
     steps:
       - name: Checkout code
@@ -29,25 +34,7 @@ jobs:
       - name: run integration test
         env:
           GARDENER_KUBECONFIG: ${{ secrets.GARDENER_LAAS_SERVICE_ACCOUNT }}
+          PULL_REQUEST_ID: ${{ github.event.pull_request.number }}
         run: |
-          VERSION="$("./hack/get-version.sh")"
-          
-          echo "check if integration tests should be started"
-          (
-            PR_ID=$(git config -f "./.git/config" pullrequest.id)
-            echo "PR_ID: " $PR_ID
-          
-            GIT_COMMENT=$(git show -s --format=%s)
-            echo "git comment: " $GIT_COMMENT
-          
-            if git show -s --format=%s | grep run-int-tests; then
-              echo "'run-int-tests' in commit message, integration tests should be started"
-              "./hack/integration-test-runner.sh" "$GARDENER_KUBECONFIG" "garden-laas" "$VERSION" "$PR_ID"
-            elif git branch --show-current | grep -E "renovate/|dependabot/"; then
-              echo "Dependency update from renovate or dependabot, integration tests should be started"
-              "./hack/integration-test-runner.sh" "$GARDENER_KUBECONFIG" "garden-laas" "$VERSION" "$PR_ID"
-             else
-                echo "integration tests are skipped"
-            fi
-          )
-
+          VERSION="$('./hack/get-version.sh')"
+          "./hack/integration-test-runner.sh" "$GARDENER_KUBECONFIG" "garden-laas" "$VERSION" "$PULL_REQUEST_ID"