chore: Update test app template

[Saadnajmi]

Summary

Another further example to reduce the footprint of #879 , this PR splits out a bunch of the changes and does the following:

• Updates RNTA to 3.0.11 (the last one where Android E2E tests on new architecture work, it seems this change breaks detox)
• re-initializes the test app (I did my best to preserve custom setup for having metro hot reload changes from root and add detox, etc)

Test Plan

CI should pass

What's required for testing (prerequisites)?

What are the steps to reproduce (after prerequisites)?

Compatibility

OS	Implemented
iOS	✅
Android	✅

Checklist

• I have tested this on a device and a simulator
• I added the documentation in README.md
• I updated the typed files (TS and Flow)
• I added a sample use of the API in the example project (example/App.js)
• I have added automated tests, either in JS or e2e tests, as applicable

[Saadnajmi]

OK, so new arch Android fails here too. That means it's not the 0.73 update but something in the RNTA template update I am breaking. Good to know :D

[Saadnajmi]

Update 2: The issue is somewhere between RNTA 3.0.0 (works) and RNTA 3.1.0 (fails)

[Saadnajmi]

Closing in favor of #879