[sign_in]: Bump play-services-auth from 20.3.0 to 20.4.0 in /packages/google_sign_in/google_sign_in_android/android#6726

auto-submit[bot] merged 2 commits intomainflutter/plugins:mainfrom

dependabot/gradle/packages/google_sign_in/google_sign_in_android/android/com.google.android.gms-play-services-auth-20.4.0flutter/plugins:dependabot/gradle/packages/google_sign_in/google_sign_in_android/android/com.google.android.gms-play-services-auth-20.4.0Copy head branch name to clipboard