chore: update codeowners (#6)

* ci: setup packaging and releasing

* chore: update codeowners

* Delete release-please.yml

* Update .github/CODEOWNERS

---------

Co-authored-by: Averi Kitsch <akitsch@google.com>

Author: twishabansal

.github/CODEOWNERS

@@ -3,4 +3,5 @@
 # For syntax help see
 # <https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax>
 
-* @googleapis/senseai-eco
+* @gemini-cli-extensions/senseai-eco
+* @gemini-cli-extensions/cloud-sql-postgresql-maintainers