Update RN Version Expected Structure (#32892)

Summary:
Current syntax options for RN version values break Windows. Following change to nightly build format to be 0.0.0-X-X-X, prerelease value is now a string (X-X-X).

microsoft/react-native-windows#9223

## Changelog

[General] [Fixed] - Fix RN version syntax to match new nightly build structure.

Pull Request resolved: #32892

Reviewed By: cortinico

Differential Revision: D33712950

Pulled By: lunaleaps

fbshipit-source-id: 9e47cae34930ee624a863c832430962354ebb5be

Author: chiaramooney

Libraries/Core/ReactNativeVersionCheck.js

@@ -41,6 +41,7 @@ exports.checkVersions = function checkVersions(): void {
 function _formatVersion(
   version:
     | {major: number, minor: number, patch: number, prerelease: ?number}
+    | {major: number, minor: number, patch: number, prerelease: ?string}
     | $TEMPORARY$object<{
         major: number,
         minor: number,