fixup! fixup! release: add Mac OSX installer build

Author: mjcheetham

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

@@ -479,6 +479,7 @@ jobs:
 
           # Convert -rc to .rc to match GIT-VERSION-FILE behavior
           BUILD_VERSION=$(echo "${VERSION}" | sed 's/-rc/.rc/g')
+          echo "$BUILD_VERSION" >git/version
 
           # Configure universal build
           cat >git/config.mak <<EOF