* 90f447313 [ci] Increase timeouts for platform_tests (flutter/plugins#7036)

* f5568e4b1 [google_sign_in] Add doc for iOS auth with SERVER_CLIENT_ID (flutter/plugins#4747)

* 0c05e8d91 Roll Flutter from a815ee63 to 75680ae9 (58 revisions) (flutter/plugins#7048)

* a4c320902 [camera]: Bump camerax_version from 1.3.0-alpha02 to 1.3.0-alpha03 in /packages/camera/camera_android_camerax/android (flutter/plugins#7061)

* 8f12b27b6 [ci] Add LUCI versions of macOS ARM tests (flutter/plugins#6984)

* 3843b38e2 [tool] Improve main-branch detection (flutter/plugins#7038)

* d39e7569c [in_app_purchase] Prep for more const widgets (flutter/plugins#7030)

* ddb9777ee [ci] Switch remaining macOS host tests to LUCI (flutter/plugins#7063)

* 2edf56324 [ci] Part 1 of swapping iOS platform test arch (flutter/plugins#7064)

* 35f0b1a49 [camerax] Add system services to plugin (flutter/plugins#6986)

* 5dd0f41a2 [webview]: Bump mockito-inline (flutter/plugins#7056)

* 1896f10ca [webview_flutter_wkwebview][webview_flutter_android] Fixes bug where the `WebView`s could not be released (flutter/plugins#6996)

* a494825fa [camerax] Allow instance manager to create identical objects (flutter/plugins#7034)

* 6ef73da26 [ci] Increase heavy workload memory (flutter/plugins#7065)

* 9da327ca3 [various] Update to use sharedDarwinSource (flutter/plugins#7027)