chore: update codeowners (#185)

* chore: update codeowners

* update comment

.github/CODEOWNERS

@@ -4,9 +4,9 @@
 # For syntax help see:
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 
-# The @googleapis/api-pubsub is the default owner for changes in this repo
-*                       @googleapis/yoshi-java @googleapis/api-pubsub
-**/*.java               @googleapis/api-pubsub
+# The @googleapis/api-pubsublite is the default owner for changes in this repo
+*                       @googleapis/yoshi-java @googleapis/api-pubsublite
+**/*.java               @googleapis/api-pubsublite
 
 # The java-samples-reviewers team is the default owner for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers