Update CMakeLists.txt to resolve "react-native" (#4466)

* Update CMakeLists.txt to resolve "react-native"

This enables end-users to build the iOS XCFramework locally from our npm package, if they need it built with the same version of Xcode as they're using to build their app.

* Update CHANGELOG.md

* Updating package-lock.json

CHANGELOG.md

@@ -7,6 +7,7 @@ x.x.x Release notes (yyyy-MM-dd)
 * Logging out too fast can cause an error if the timeout behavior is set to `openLocalRealm` ([4453](https://github.com/realm/realm-js/issues/4453))
 * Released `realm-network-transport` to adopt the changes published to fix `globalThis` undefined issue for older devices. ([#4350](https://github.com/realm/realm-js/4350))
 * Changed "react-native" main field to point to a `lib/index.native.js` file to help bundlers pick the right file when loading our library on React Native. ([#4459](https://github.com/realm/realm-js/issues/4459))
+* Fixed resolving the "react-native" package when building from source, enabling developers to run the `./scripts/build-ios.sh` script themselves to build our iOS artifacts with the same version of Xcode / LLVM as they're building their app.
 
 ### Compatibility
 * MongoDB Realm Cloud.