Require setuptools >= 64

Set required version of setuptools to 64, since older versions do not support PEP660.

Signed-off-by: Jonas K. <[email protected]>

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2"]
+requires = ["setuptools>=64", "setuptools_scm[toml]>=6.2"]
 build-backend = "setuptools.build_meta"
 
 [project]