chore: replace old python teams with cloud-sdk-python-team

Author: suztomo

.github/CODEOWNERS

@@ -5,8 +5,8 @@
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 # Note: This file is autogenerated. To make changes to the codeowner team, please update .repo-metadata.json.
 
-# @googleapis/yoshi-python @googleapis/spanner-client-libraries-python are the default owners for changes in this repo
-*     @googleapis/yoshi-python @googleapis/spanner-client-libraries-python
+# @googleapis/cloud-sdk-python-team @googleapis/spanner-client-libraries-python are the default owners for changes in this repo
+*     @googleapis/cloud-sdk-python-team @googleapis/spanner-client-libraries-python
 
 # @googleapis/python-samples-reviewers @googleapis/spanner-client-libraries-python are the default owners for samples changes
 /samples/   @googleapis/python-samples-reviewers @googleapis/spanner-client-libraries-python