.github: Add linux.4xlarge executor (#70474)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70474
Needed to compile linux wheels for CUDA 11.x since we were OOM'ing with
16GB of RAM
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: atalman
Differential Revision: D33343322
Pulled By: seemethere
fbshipit-source-id: 9f62e07ce2ca229fa25285429c01dc074d63b388