chore: update metadata

Author: william-silversmith

setup.cfg

@@ -7,17 +7,17 @@ description_file = README.md
 author = William Silversmith
 author_email = [email protected]
 home_page = https://github.com/seung-lab/mapbuffer/
-license = License :: OSI Approved :: BSD License
+license = BSD-3-Clause
 classifier =
     Intended Audience :: Developers
     Development Status :: 5 - Production/Stable
-    License :: OSI Approved :: BSD License
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
+    Programming Language :: Python :: 3.14
     Topic :: Software Development :: Libraries :: Python Modules
 
 [global]