Update pyproject.toml

Author: jan-janssen

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["ase", "numpy", "scipy", "hatchling==1.28.0", "hatch-vcs==0.5.0"]
+requires = ["ase", "numpy", "scipy", "hatchling==1.27.0", "hatch-vcs==0.5.0"]
 build-backend = "hatchling.build"
 
 [project]