Merge pull request #259 from cdce8p/main

Use SPDX license expression

Author: offbyone

pyproject.toml

@@ -7,7 +7,8 @@ name = "PyHamcrest"
 description = "Hamcrest framework for matcher objects"
 readme = "README.rst"
 requires-python = ">= 3.8"
-license = { file = "LICENSE.txt" }
+license = "BSD-3-Clause"
+license-files = ["LICENSE.txt"]
 keywords = [
   "hamcrest",
   "matchers",
@@ -27,7 +28,6 @@ classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Environment :: Console",
   "Intended Audience :: Developers",
-  "License :: OSI Approved :: BSD License",
   "Natural Language :: English",
   "Operating System :: OS Independent",
   "Programming Language :: Python :: 3",