Update update-notifier version

Update to a version that includes yeoman/update-notifier#192 to avoid the bug where it will suggest downgrading your version (yeoman/update-notifier#181).

package.json

@@ -83,7 +83,6 @@
   "dependencies": {
     "@google-cloud/pubsub": "^2.7.0",
     "@types/archiver": "^5.1.0",
-    "JSONStream": "^1.2.1",
     "abort-controller": "^3.0.0",
     "archiver": "^5.0.0",
     "body-parser": "^1.19.0",
@@ -108,6 +107,7 @@
     "google-auth-library": "^6.1.3",
     "inquirer": "~6.3.1",
     "js-yaml": "^3.13.1",
+    "JSONStream": "^1.2.1",
     "jsonwebtoken": "^8.5.1",
     "leven": "^3.1.0",
     "lodash": "^4.17.19",
@@ -133,7 +133,7 @@
     "tweetsodium": "0.0.5",
     "universal-analytics": "^0.4.16",
     "unzipper": "^0.10.10",
-    "update-notifier": "^4.1.0",
+    "update-notifier": "^5.1.0",
     "uuid": "^3.0.0",
     "winston": "^3.0.0",
     "winston-transport": "^4.4.0",