Fix PR creation for bump-datadog-gem-version workflow

Author: y9v

.github/workflows/update-system-tests.yml

@@ -56,30 +56,51 @@ jobs:
           persist-credentials: true
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0
+
       - name: Set up Ruby
         uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # v1.245.0
         with:
           ruby-version: "3.3.7"
+
       - run: bundle install
+
       - name: Update version file
         run: |
           echo "Updating version to ${NEXT_VERSION}"
           bundle exec rake version:bump["${NEXT_VERSION}]"
-      - name: Create PR to master
-        run: |
-          JOB_URL="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
-          BRANCH_NAME="update-version-${NEXT_VERSION}"
 
-          git checkout -b "${BRANCH_NAME}"
+      - name: Generate GitHub App Token
+        id: generate-token
+        uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
-          git add lib/datadog/version.rb
-          git commit -m "Update version to ${NEXT_VERSION}"
+      - name: Create Pull Request
+        # Skip PR creation if dry-run is true (from either trigger type)
+        if: ${{ github.event.inputs.dry-run != 'true' && github.event.client_payload.dry-run != 'true' }}
+        id: cpr
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
+        with:
+          token: ${{ steps.generate-token.outputs.token }}
+          branch: auto-generate/bump-datadog-gem-version
+          title: "[🤖] Bump datadog gem version to ${{ needs.next-gem-version.outputs.next_version }}"
+          base: master
+          labels: dev/internal
+          commit-message: "[🤖] Update datadog gem version to ${{ needs.next-gem-version.outputs.next_version }}"
+          delete-branch: true
+          sign-commits: true
+          add-paths: |
+            lib/datadog/version.rb
+            gemfiles/
+          body: |
+            _This is an auto-generated PR from [here](${{github.server_url}}/${{ github.repository }}/blob/master/.github/workflows/bump-datadog-gem-version.yml)_
+            The PR updates the version of datadog gem to ${{ needs.next-gem-version.outputs.next_version }}
 
-          git push origin "${BRANCH_NAME}"
+            **Trigger Information:**
+            - Event: ${{ github.event_name }}
+            - Triggered by: ${{ github.event.client_payload.triggered_by || 'Manual/Scheduled' }}
+            - Source repo: ${{ github.event.client_payload.source_repo || 'N/A' }}
+            - Source commit: ${{ github.event.client_payload.source_commit || 'N/A' }}
 
-          gh pr create \
-            --base master \
-            --head "${BRANCH_NAME}" \
-            --title "Update version to ${NEXT_VERSION}" \
-            --body "This is an auto-generated PR to update the version file from [here](${JOB_URL})." \
-            --label "version"
+            Please review the changes and merge when ready