chore(gha): trigger cloud pull-request when a PR is merged (#7212)

.github/workflows/pull-request-merged.yml

@@ -0,0 +1,33 @@
+name: Prowler - Merged Pull Request
+
+on:
+  pull_request_target:
+    branches: ['master']
+    types: ['closed']
+
+jobs:
+  trigger-cloud-pull-request:
+    name: Trigger Cloud Pull Request
+    if: github.event.pull_request.merged == true && github.repository == "prowler-cloud/prowler"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Set short git commit SHA
+        id: vars
+        run: |
+          shortSha=$(git rev-parse --short ${{ github.sha }})
+          echo "SHORT_SHA=${shortSha}" >> $GITHUB_ENV
+
+      - name: Trigger pull request
+        uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
+        with:
+          token: ${{ secrets.PROWLER_BOT_ACCESS_TOKEN }}
+          repository: ${{ secrets.CLOUD_DISPATCH }}
+          event-type: prowler-pull-request-merged
+          client-payload: '{
+            "PROWLER_COMMIT_SHA": "${{ github.sha }}",
+            "PROWLER_COMMIT_SHORT_SHA": "${{ env.SHORT_SHA }}",
+            "PROWLER_PR_TITLE": "${{ github.event.pull_request.title }}",
+            "PROWLER_PR_BODY": "${{ github.event.pull_request.body }}"
+          }'