chore: slack notification

Author: denolfe

.github/workflows/audit-dependencies.yml

@@ -34,7 +34,28 @@ jobs:
         run: ./.github/workflows/audit-dependencies.sh ${{ inputs.audit-level }}
 
       - name: Failure output
+        id: failure_output
         if: failure()
         run: |
           echo "Vulnerabilities found."
           cat audit_output.json
+          # Output json content to GitHub Actions output
+          echo "audit_output=$(cat audit_output.json)" >> $GITHUB_OUTPUT
+
+      - name: Slack notification on failure
+        if: failure()
+        uses: slackapi/[email protected]
+        with:
+          webhook: ${{ secrets.SLACK_TEST_WEBHOOK_URL }}
+          webhook-type: incoming-webhook
+          payload: |
+            text: "🚨 *Dependency Vulnerabilities Found"
+            blocks:
+              - type: "section"
+                text:
+                  type: "mrkdwn"
+                  text: "Actionable vulnerabilities found: ${{ steps.failure_output.outputs.audit_output }}"
+              - type: "section"
+                text:
+                  type: "mrkdwn"
+                  text: "GitHub Action build result: ${{ job.status }}\n${{ github.event.pull_request.html_url || github.event.head_commit.url }}"