fix(deps): update dependency @google-cloud/monitoring to v5

google-cloud-monitoring-reporter/package.json

@@ -8,7 +8,7 @@
     "report": "node main ../out/*_result.json"
   },
   "dependencies": {
-    "@google-cloud/monitoring": "^4.0.0",
+    "@google-cloud/monitoring": "^5.0.0",
     "esm": "^3.2.25"
   },
   "devDependencies": {}