message: [post-land] update test result webhook
  Closes:
diff: @@ -48,14 +48,16 @@ jobs:
  - name: Run Cluster Test
  run: |
  date
  + BASE_GIT_REV=$(git rev-parse $HEAD_GIT_REV^)
  ./scripts/cti --tag $IMAGE_TAG --timeout-secs 7200 \
  --env SLACK_CHANGELOG_URL=${{ secrets.WEBHOOK_CHANGELOG }} \
  + --changelog $BASE_GIT_REV $HEAD_GIT_REV \
  --suite pre_release
  - name: Push alert
  if: ${{ failure() }}
  run: |
  jq -n \
  - --arg msg "*${{ github.job }}* job in ${{ github.workflow }} workflow failed with ${{ steps.set_env.outputs.image_tag }}." \
  + --arg msg "*${{ github.job }}* job in ${{ github.workflow }} workflow failed with $IMAGE_TAG." \
  --arg url "https://github.com/${{ github.repository }}/actions/runs/${{github.run_id}}" \
  '{
  "attachments": [
  