Revert "Skip sccache initialization on MacOS (#99121)"
This reverts commit c2fd198cafaac3e5de6d72a80cd4ad19da042ce5.
Reverted https://github.com/pytorch/pytorch/pull/99121 on behalf of https://github.com/huydhn due to Revert to reland this as this miss one change in mac build workflow. My mistake from rebasing from master into main
