style(cli): Format code and assets to comply with pyink and linter guidelines

Reformat tests/unittests/cli/utils/test_gcp_utils.py using pyink, and restore the trailing newline in runtime-config.json to align with pre-commit style rules.

Change-Id: Id2593bf761845d15c45cbde18f6d3a8f0e5dd639

Author: DeanChensj

src/google/adk/cli/browser/assets/config/runtime-config.json

@@ -1,3 +1,3 @@
 {
   "backendUrl": ""
-}
+}

tests/unittests/cli/utils/test_gcp_utils.py

@@ -140,9 +140,7 @@ def test_sign_up_express(self, mock_auth_default, mock_session_cls):
         },
     )
 
-  @mock.patch(
-      "google.cloud.resourcemanager_v3.ProjectsClient"
-  )
+  @mock.patch("google.cloud.resourcemanager_v3.ProjectsClient")
   def test_list_gcp_projects(self, mock_client_cls):
     mock_client = mock.Mock()
     mock_client_cls.return_value = mock_client
@@ -165,7 +163,8 @@ def test_list_gcp_projects(self, mock_client_cls):
   @mock.patch.dict("sys.modules", {"google.cloud": None})
   def test_list_gcp_projects_import_error(self):
     with self.assertRaisesRegex(
-        RuntimeError, "Listing GCP projects requires the 'gcp' optional dependency"
+        RuntimeError,
+        "Listing GCP projects requires the 'gcp' optional dependency",
     ):
       gcp_utils.list_gcp_projects()