Update repository references on 0.85

[cipolleschi]

Summary

• replace https://github.com/facebook/react-native with https://github.com/react/react-native
• replace https://github.com/facebook/react with https://github.com/react/react
• replace https://github.com/facebook/react-native-website with https://github.com/react/react-native-website
• replace https://api.github.com/repos/facebook/ with https://api.github.com/repos/react/

The replacements are URL-scoped. Maven coordinates, Java/JNI package paths, generated repository-structure snapshots, and bare facebook/react* strings are unchanged.

Changelog:

[Internal] - Move from facebook/react to react/react

Test plan

• deterministic comparison against 0.85-stable for the four allowed substitutions
• yarn jest --runInBand .github/workflow-scripts/__tests__/createDraftRelease-test.js .github/workflow-scripts/__tests__/generateChangelog-test.js .github/workflow-scripts/__tests__/verifyArtifactsAreOnMaven-test.js scripts/releases/__tests__/upload-release-assets-for-dotslash-test.js scripts/releases/__tests__/write-dotslash-release-asset-urls-test.js
• package JSON parse check
• git diff --check