fix license metadata

Author: PProfizi

pyproject.toml

@@ -9,8 +9,7 @@ version = "0.10.0"
 description = "PyDPF-Post Python library."
 readme = "README.md"
 requires-python = ">=3.9,<4.0"
-license = "MIT"
-license-files = ["LICENSE"]
+license = {file = "LICENSE"}
 authors = [
     {name = "ANSYS, Inc.", email = "[email protected]"},
 ]