ci: fix name of react native artifact (microsoft#2811)

## Summary:

This file is updated every version upgrade, and recently moved to Kotlin

## Test Plan:

CI should pass

Author: Saadnajmi

packages/nx-release-version/index.js

@@ -39,7 +39,7 @@ async function runSetVersion() {
       'react',
       'modules',
       'systeminfo',
-      'ReactNativeVersion.java',
+      'ReactNativeVersion.kt',
     ),
     path.join(REPO_ROOT,
       'packages',