Do not publish Gradle Scans (#44925)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/44925

I have the suspect this is causing our builds to be slower and especially causing the template tests to take 6 hours.
Let's try to disable it.

Changelog:
[Internal] [Changed] - Do not publish Gradle Scans

Reviewed By: cipolleschi

Differential Revision: D58520463

fbshipit-source-id: 028e16a725ea87e178ed4e0bf134737f32780544