Stop inheriting from object. It's unneeded on Python 3+. (#8675)

certbot-dns-google/certbot_dns_google/_internal/dns_google.py

@@ -76,7 +76,7 @@ class Authenticator(dns_common.DNSAuthenticator):
         return _GoogleClient(self.conf('credentials'))
 
 
-class _GoogleClient(object):
+class _GoogleClient:
     """
     Encapsulates all communication with the Google Cloud DNS API.
     """

certbot-dns-google/tests/dns_google_test.py

@@ -401,7 +401,7 @@ class GoogleClientTest(unittest.TestCase):
             self.assertRaises(ServerNotFoundError, _GoogleClient.get_project_id)
 
 
-class DummyResponse(object):
+class DummyResponse:
     """
     Dummy object to create a fake HTTPResponse (the actual one requires a socket and we only
      need the status attribute)