chore: bump RN to 0.84.0-rc.4 (#8909)

## Summary

🚀 

## Test plan

Fabric example works 👍

Author: tjzel

apps/common-app/package.json

@@ -52,10 +52,10 @@
     "@react-native-community/cli": "20.1.0",
     "@react-native-community/cli-platform-android": "20.1.0",
     "@react-native-community/cli-platform-ios": "20.1.0",
-    "@react-native/babel-preset": "0.84.0-rc.2",
-    "@react-native/eslint-config": "0.84.0-rc.2",
-    "@react-native/metro-config": "0.84.0-rc.2",
-    "@react-native/typescript-config": "0.84.0-rc.2",
+    "@react-native/babel-preset": "0.84.0-rc.4",
+    "@react-native/eslint-config": "0.84.0-rc.4",
+    "@react-native/metro-config": "0.84.0-rc.4",
+    "@react-native/typescript-config": "0.84.0-rc.4",
     "@tsconfig/react-native": "3.0.0",
     "@types/d3-shape": "3.1.7",
     "@types/jest": "30.0.0",
@@ -65,7 +65,7 @@
     "jest": "30.2.0",
     "madge": "8.0.0",
     "prettier": "3.6.2",
-    "react-native": "0.84.0-rc.2",
+    "react-native": "0.84.0-rc.4",
     "react-test-renderer": "19.2.3",
     "typescript": "5.8.3",
     "typescript-eslint": "8.46.0"