Add job summary to the runners release workflow (#2140)

* Add and update job summaries

* Fix workflow reference links

* Fix / deny push to registries on PR

* Rename the workflow to match the releases repo

.github/workflows/release-runners.yaml

@@ -0,0 +1,64 @@
+name: Runners
+
+# Revert to https://github.com/actions-runner-controller/releases#releases
+# for details on why we use this approach
+on:
+  # We must do a trigger on a push: instead of a types: closed so GitHub Secrets 
+  # are available to the workflow run
+  push:
+    branches:
+      - 'master'
+    paths:
+      - 'runner/**'
+      - '!runner/Makefile'
+      - '.github/workflows/runners.yaml'
+      - '!**.md'
+
+env:
+  # Safeguard to prevent pushing images to registeries after build  
+  PUSH_TO_REGISTRIES: true
+  TARGET_ORG: actions-runner-controller
+  TARGET_WORKFLOW: release-runners.yaml
+  RUNNER_VERSION: 2.300.2
+  DOCKER_VERSION: 20.10.21
+  RUNNER_CONTAINER_HOOKS_VERSION: 0.2.0
+
+jobs:
+  build-runners:
+    name: Trigger Build and Push of Runner Images
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get Token
+        id: get_workflow_token
+        uses: peter-murray/workflow-application-token-action@8e1ba3bf1619726336414f1014e37f17fbadf1db
+        with:
+          application_id: ${{ secrets.ACTIONS_ACCESS_APP_ID }}
+          application_private_key: ${{ secrets.ACTIONS_ACCESS_PK }}
+          organization: ${{ env.TARGET_ORG }}
+
+      - name: Trigger Build And Push Runner Images To Registries
+        run: |
+          # Authenticate
+          gh auth login --with-token <<< ${{ steps.get_workflow_token.outputs.token }}
+
+          # Trigger the workflow run
+          gh workflow run ${{ env.TARGET_WORKFLOW }} -R ${{ env.TARGET_ORG }}/releases \
+            -f runner_version=${{ env.RUNNER_VERSION }} \
+            -f docker_version=${{ env.DOCKER_VERSION }} \
+            -f runner_container_hooks_version=${{ env.RUNNER_CONTAINER_HOOKS_VERSION }} \
+            -f sha='${{ github.sha }}' \
+            -f push_to_registries=${{ env.PUSH_TO_REGISTRIES }}
+
+      - name: Job summary
+        run: |
+          echo "The [release-runners.yaml](https://github.com/actions-runner-controller/releases/blob/main/.github/workflows/release-runners.yaml) workflow has been triggered!" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Parameters:**" >> $GITHUB_STEP_SUMMARY
+          echo "- runner_version: ${{ env.RUNNER_VERSION }}" >> $GITHUB_STEP_SUMMARY
+          echo "- docker_version: ${{ env.DOCKER_VERSION }}" >> $GITHUB_STEP_SUMMARY
+          echo "- runner_container_hooks_version: ${{ env.RUNNER_CONTAINER_HOOKS_VERSION }}" >> $GITHUB_STEP_SUMMARY
+          echo "- sha: ${{ github.sha }}" >> $GITHUB_STEP_SUMMARY
+          echo "- push_to_registries: ${{ env.PUSH_TO_REGISTRIES }}" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Status:**" >> $GITHUB_STEP_SUMMARY
+          echo "[https://github.com/actions-runner-controller/releases/actions/workflows/release-runners.yaml](https://github.com/actions-runner-controller/releases/actions/workflows/release-runners.yaml)" >> $GITHUB_STEP_SUMMARY