[iOS GPU] Raise the minimum OS support version to 11.0 (#59310)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59310
We recently updated the GK to deliver GPU models to only 11.0+ devices. Will do a clean up in following diffs to clean up shader functions written for iOS 10.0.
ghstack-source-id: 130374598
Test Plan: CI
Reviewed By: linbinyu
Differential Revision: D28805864
fbshipit-source-id: 4cde34ff9fbbe811a69686a0f29b56d69aeefbee
