fix release artifact upload

Author: lukevalenty

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Release
         uses: softprops/[email protected]
         with:
-          files: build/cib.hpp
+          path: ${{github.workspace}}/build/include/cib/cib.hpp
           draft: true
           append_body: true