Update build-tarball.yml

Co-authored-by: Moshe Atlow <[email protected]>

Author: targos

.github/workflows/build-tarball.yml

@@ -30,8 +30,8 @@ concurrency:
 env:
   PYTHON_VERSION: '3.12'
   FLAKY_TESTS: keep_retrying
-  CC: clang
-  CXX: clang++
+  CC: sccache clang
+  CXX: sccache clang++
 
 permissions:
   contents: read