Add failure notifications via slack

Change-Id: If9f5711497c838a8f307fbc078b59672353ed5d3
diff --git a/package.json b/package.json
index 11fdbfb..8ac4d12 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   "dependencies": {
     "chai": "^4.4.1",
     "mocha": "^10.6.0",
-    "puppeteer": "^22.1.0"
+    "puppeteer": "^22.1.0",
+    "slack-notify": "^2.0.7"
   }
 }