PEP 639 compliance

Author: DimitriPapadopoulos

pyproject.toml

@@ -2,7 +2,7 @@
 build-backend = "hatchling.build"
 requires = [
   "hatch-vcs>=0.4",
-  "hatchling>=1.18",
+  "hatchling>=1.27",
 ]
 
 [project]
@@ -17,12 +17,12 @@ keywords = [
   "workflow",
 ]
 license = "MIT"
+license-files = [ "LICENSE" ]
 authors = [
   { name = "Chad Smith", email = "[email protected]" },
 ]
 requires-python = ">=3.9"
 classifiers = [
-  "License :: OSI Approved :: MIT License",
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",