fix: Update to SPDX License Classifiers

Author: AlexanderWells-diamond

template/pyproject.toml.jinja

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=64", "setuptools_scm[toml]>=8"]
+requires = ["setuptools>=77.0.3", "setuptools_scm[toml]>=8"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -8,16 +8,16 @@ classifiers = [
     {% if component_lifecycle=="experimental" %}"Development Status :: 3 - Alpha",
     {% elif component_lifecycle=="production" %}"Development Status :: 5 - Production/Stable",
     {% elif component_lifecycle=="deprecated" %}"Development Status :: 7 - Inactive",
-    {% endif %}"License :: OSI Approved :: Apache Software License",
-    "Programming Language :: Python :: 3.11",
+    {% endif %}"Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
 ]
 description = "{{ description }}"
 dependencies = [] # Add project dependencies here, e.g. ["click", "numpy"]
 dynamic = ["version"]
-license.file = "LICENSE"
+license = "Apache-2.0"
+license-files = ["LICENSE"]
 readme = "README.md"
 requires-python = ">=3.11"