Transfer ownership of `sentry_dart_frog`

### Description

As mentioned in https://github.com/dart-frog-dev/dart_frog/issues/1746#issuecomment-3049824934 I would like to transfer ownership of the [`sentry_dart_frog`](https://pub.dev/packages/sentry_dart_frog) package to the org.

Please let me know how (or if at all) to proceed

### Requirements

- Transfer code 
- Transfer ownership on pub.dev

### Additional Context

_No response_