chore(deps): update dependency gaxios to v5 (#638)

Author: renovate-bot

handwritten/error-reporting/samples/package.json

@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "gaxios": "^4.0.0",
+    "gaxios": "^5.0.0",
     "mocha": "^8.0.0"
   }
 }