fix: update react to 19.2.3 to satisfy react-native 0.85.2 peer dep

react-native@0.85.2 requires react@^19.2.3; package.json had 19.0.0.
Also update @types/react to ~19.1.0 to match.

mobile/package.json

@@ -22,7 +22,7 @@
     "expo-linking": "~55.0.0",
     "expo-splash-screen": "~55.0.0",
     "expo-status-bar": "~55.0.0",
-    "react": "19.0.0",
+    "react": "19.2.3",
     "react-native": "0.85.2",
     "react-native-safe-area-context": "^5.0.0",
     "react-native-screens": "^4.0.0",
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.25.0",
-    "@types/react": "~19.0.0",
+    "@types/react": "~19.1.0",
     "typescript": "~5.8.0"
   }
 }