fixup! release: include GIT_BUILT_FROM_COMMIT in MacOS build

Author: mjcheetham

.github/workflows/build-git-installers.yml

@@ -511,7 +511,7 @@ jobs:
 
           make -C git -j$(sysctl -n hw.physicalcpu) GIT-VERSION-FILE dist dist-doc
 
-          export GIT_BUILT_FROM_COMMIT=$(gunzip -c git/git-$VERSION.tar.gz | git get-tar-commit-id) ||
+          export GIT_BUILT_FROM_COMMIT=$(gunzip -c git/git-$BUILD_VERSION.tar.gz | git get-tar-commit-id) ||
             die "Could not determine commit for build"
 
           # Extract tarballs