MNT: drop deprecated License classifier, update related metadata (PEP 639)

Author: neutrinoceros

MANIFEST.in

@@ -1,4 +1,3 @@
-include LICENSE.rst
 include README.rst
 include CHANGES.rst
 include pyproject.toml

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools",
+requires = ["setuptools>=77.0.1",
             "setuptools_scm",
-            "wheel"]
+]
 build-backend = 'setuptools.build_meta'

setup.cfg

@@ -3,11 +3,12 @@ name = pytest-filter-subpackage
 url = https://github.com/astropy/pytest-filter-subpackage
 author = The Astropy Developers
 author_email = [email protected]
+license = BSD-3-Clause
+license_files = LICENSE.rst
 classifiers =
 	Development Status :: 5 - Production/Stable
 	Framework :: Pytest
 	Intended Audience :: Developers
-	License :: OSI Approved :: BSD License
 	Operating System :: OS Independent
 	Programming Language :: Python
 	Programming Language :: Python :: 3
@@ -18,7 +19,6 @@ classifiers =
 	Programming Language :: Python :: 3.12
 	Topic :: Software Development :: Testing
 	Topic :: Utilities
-license = BSD
 description = Pytest plugin for filtering based on sub-packages
 long_description = file: README.rst
 long_description_content_type = text/x-rst