chore: update for PEP 621

Author: cbueth

pyproject.toml

@@ -10,15 +10,14 @@ authors = [
   { name = "Michael Szell" },
 ]
 maintainers = [{ name = "Carlson Büth", email = "carlson@cbueth.de" }]
-license = { text = "APGL-3.0-or-later" }
+license = "AGPL-3.0-or-later"
 readme = "README.md"
 description = "Automated Generation, Visualization, and Analysis of potential Superblocks in Cities"
 keywords = ["Low Traffic Neighborhoods", "GIS", "Networks", "OpenStreetMap", "Urban Planning", "Urban Mobility", "Urban Data"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",