[sign_in]: Bump com.google.android.gms:play-services-auth from 21.0.0 to 21.2.0 in /packages/google_sign_in/google_sign_in_android/android#6808

dependabot[bot] wants to merge 2 commits intomainflutter/packages:mainfrom

dependabot/gradle/packages/google_sign_in/google_sign_in_android/android/com.google.android.gms-play-services-auth-21.2.0flutter/packages:dependabot/gradle/packages/google_sign_in/google_sign_in_android/android/com.google.android.gms-play-services-auth-21.2.0Copy head branch name to clipboard