1607 [cloud_functions] Update iOS dependencies to latest to match Android (cla: yes)

1609 [firebase_auth] Fix onMethodCall missing for updatePhoneNumberCredential (cla: yes, flutterfire)

1610 [camera] Fix bug preventing video recording with audio (cla: yes)

1612 [video_player] avoid deprecated seekToTime API (cla: yes)

1615 [firebase_ml_vision] release CVPixelBuffer to prevent memory leak (cla: yes)

1617 [image_picker] ios: copy all meta data from the original image. (bugfix, cla: yes)

1618 Allow changing the webview’s platform specific implementation (cla: yes)

1619 [cloud_firestore] Group collection query on cloud firestore (cla: yes, flutterfire)