Rollout `preventShadowTreeCommitExhaustionWithLocking` in experimental (#52709)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52709

We want to make user for folks in OSS to try
`preventShadowTreeCommitExhaustionWithLocking`. Therefore I'm updating the OSS
release channel for this flag to experimental.

Changelog:
[Internal] [Changed] - Rollout `preventShadowTreeCommitExhaustionWithLocking` in experimental

Reviewed By: rubennorte

Differential Revision: D78558655

fbshipit-source-id: 02a9d216c7b2f8f7bdc1340213f82b70c5692dc7