chore: update owners (#890)

Author: vchudnov-g

.github/CODEOWNERS

@@ -5,8 +5,7 @@
 # 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/actools-python are the default owners for changes in this repo
-*     @googleapis/yoshi-python @googleapis/actools-python
+*                         @googleapis/cloud-sdk-python-team
 
 # @googleapis/python-samples-reviewers @googleapis/actools-python are the default owners for samples changes
-/samples/   @googleapis/python-samples-reviewers @googleapis/actools-python
+/samples/   @googleapis/python-samples-reviewers @googleapis/cloud-sdk-python-team

.repo-metadata.json

@@ -8,5 +8,5 @@
     "repo": "googleapis/python-api-core",
     "distribution_name": "google-api-core",
     "default_version": "",
-    "codeowner_team": "@googleapis/actools-python"
+    "codeowner_team": "@googleapis/cloud-sdk-python-team"
 }