Automate Android Session Replay Stub .jar creation

We should consider [automating the process of the SR stub .jar](https://github.com/getsentry/sentry-react-native/pull/5226#issuecomment-3352253091) along with the stub version bump [dependency PRs](https://github.com/getsentry/sentry-react-native/pull/5194). 