PEP 639 compliance (#152)

Author: DimitriPapadopoulos

pyproject.toml

@@ -1,16 +1,16 @@
 [build-system]
-requires = ["flit_core >=3.2,<4"]
+requires = ["flit_core >=3.11,<4"]
 build-backend = "flit_core.buildapi"
 
 [project]
 name = "abi3audit"
 dynamic = ["version"]
 description = "Scans Python wheels for abi3 violations and inconsistencies"
 readme = "README.md"
-license = { file = "LICENSE" }
+license = "MIT"
+license-files = ["LICENSE"]
 authors = [{ name = "William Woodruff", email = "[email protected]" }]
 classifiers = [
-  "License :: OSI Approved :: MIT License",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3",
   "Development Status :: 4 - Beta",