Clean up some monorepo stuff

apps/expo/package.json

@@ -15,9 +15,9 @@
   },
   "dependencies": {
     "@acme/backend": "workspace:*",
-    "@convex-dev/auth": "workspace:*",
+    "@convex-dev/auth": "catalog:convex",
     "@legendapp/list": "^2.0.14",
-    "convex": "workspace:*",
+    "convex": "catalog:convex",
     "expo": "~54.0.20",
     "expo-constants": "~18.0.10",
     "expo-dev-client": "~6.0.16",