[LOCAL][RN] Revert React from 19Rc to 18.3.1 (#45779)

* Revert ReacRevert React from 19 to 18.3.1 due to React 19 not being out as stable

\## Changelog
[General][Changed] - Revert from React 19 RC to React 18.3.1

* Revert from React 19 RC to React 18.3.1

\## Changelog
[General][Changed] - Revert from React 19RC to React 18.3.1

* Fix ruby tests

package.json

@@ -92,17 +92,13 @@
     "nullthrows": "^1.1.1",
     "prettier": "2.8.8",
     "prettier-plugin-hermes-parser": "0.22.0",
-    "react": "19.0.0-rc-fb9a90fa48-20240614",
-    "react-test-renderer": "19.0.0-rc-fb9a90fa48-20240614",
+    "react": "18.3.1",
+    "react-test-renderer": "18.3.1",
     "rimraf": "^3.0.2",
     "shelljs": "^0.8.5",
     "signedsource": "^1.0.0",
     "supports-color": "^7.1.0",
     "typescript": "5.0.4",
     "ws": "^6.2.2"
-  },
-  "resolutions": {
-    "react-is": "19.0.0-rc-fb9a90fa48-20240614"
-  },
-  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
+  }
 }

packages/helloworld/package.json

@@ -12,7 +12,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "react": "19.0.0-rc-fb9a90fa48-20240614",
+    "react": "18.3.1",
     "react-native": "0.75.0-rc.5"
   },
   "devDependencies": {
@@ -29,7 +29,7 @@
     "eslint": "^8.19.0",
     "jest": "^29.6.3",
     "listr2": "^8.2.1",
-    "react-test-renderer": "19.0.0-rc-fb9a90fa48-20240614",
+    "react-test-renderer": "18.3.1",
     "rxjs": "^7.8.1"
   },
   "engines": {