fix(deps): update dependency pug to v3.0.3 [security]

Author: renovate-bot

nodejs/nodejs-guestbook/src/frontend/package-lock.json

@@ -13,6 +13,6 @@
     "body-parser": "1.20.2",
     "express": "4.18.2",
     "moment": "2.29.4",
-    "pug": "3.0.2"
+    "pug": "3.0.3"
   }
 }