feat: remove version cap for SQLAlchemy (allow 1.x or 2.x)

hoping this does not break things terribly, but it needs to be done
regardless so will just have to pick up pieces if so

tests/db/test_handler.py

@@ -51,8 +51,7 @@ else:
             # using sqlite backend.
 
             # using postgres as backend, should use "sequence"
-            with patch.object(self.session.bind.url, 'get_dialect') as get_dialect:
-                get_dialect.return_value.name = 'postgresql'
+            with patch.object(handler, 'get_dialect', return_value='postgresql'):
                 with patch.object(self.session, 'execute') as execute:
                     execute.return_value.scalar.return_value = 1
                     value = handler.next_counter_value(self.session, 'testing')