feat: ci: add on-workflow-end noti

Author: WasinWatt

.github/workflows/on-workflow-end.yaml

@@ -0,0 +1,34 @@
+name: Notify Slack on workflow failure
+on:
+  workflow_run:
+    workflows:
+      [
+        Build Go binaries and upload to weave-binaries release,
+        Go Format and Test,
+      ]
+    types: [completed]
+
+jobs:
+  on-failure:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.conclusion == 'failure' || github.event.workflow_run.conclusion == 'timed_out'
+    steps:
+      - uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ github.event.workflow_run.conclusion }}
+          notification_title: " ${{github.event.workflow_run.name}} - ${{github.event.workflow_run.conclusion}} on ${{github.event.workflow_run.head_branch}} - <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View Failure>"
+          message_format: ":fire: *${{github.event.workflow_run.name}}* ${{github.event.workflow_run.conclusion}} in <${{github.server_url}}/${{github.repository}}/${{github.event.workflow_run.head_branch}}|${{github.repository}}>"
+          footer: "Linked Repo <${{github.server_url}}/${{github.repository}}|${{github.repository}}> | <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View Failure>"
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+  on-success:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.conclusion == 'success'
+    steps:
+      - uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ github.event.workflow_run.conclusion }}
+          notification_title: " ${{github.event.workflow_run.name}} - ${{github.event.workflow_run.conclusion}} on ${{github.event.workflow_run.head_branch}} - <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View Success>"
+          message_format: ":white_check_mark: *${{github.event.workflow_run.name}}* ${{github.event.workflow_run.conclusion}} in <${{github.server_url}}/${{github.repository}}/${{github.event.workflow_run.head_branch}}|${{github.repository}}>"
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}