Try sccache on ci for windows

Author: Olivier Chafik

.github/workflows/build.yml

@@ -1207,6 +1207,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/[email protected]
         with:
+          variant: sccache
           key: windows-latest-cmake-hip-release
           evict-old-files: 1d