Added correct license info

mrpowerus · mrpowerus · commit 3d46a6aff812 · 2021-06-10T15:21:00.000+02:00
diff --git a/setup.cfg b/setup.cfg
@@ -11,7 +11,7 @@ project_urls =
     Bug Tracker = https://github.com/mrpowerus/salesforce-bulk-python/issues
 classifiers =
     Programming Language :: Python :: 3
-    License :: OSI Approved :: MIT License
+    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
     Operating System :: OS Independent
 
 [options]
