change code owners

Signed-off-by: heymingwei <[email protected]>

.github/CODEOWNERS

@@ -4,4 +4,7 @@
 # The repo admins team will be the default owners for everything in the repo.
 # Unless a later match takes precedence, they will be requested for review when someone opens a pull request.
 
-/cubefs
+/cubefs/Chart.yaml/
+/cubefs/config/
+/cubefs/templates/
+/cubefs/values.yaml/