update project settings

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=68.0", "wheel"]
+requires = ["setuptools", "setuptools_scm[toml]"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -19,3 +19,5 @@ dependencies = [
 classifiers = [
     "Programming Language :: Python :: 3",
 ]
+
+[tool.setuptools_scm]