IAM: Adds the team creation endpoint in app platform (#111003)

* implement team creation for legacy store

* add generated code

* add basic integration test

* add new fields to get and list teams

* fix sql tests for teams

* register dual writer for team resource

* add generated code

* add more sql tests for team creation

* address feedback

* add integration tests

pkg/registry/apis/iam/legacy/teams_query.sql

@@ -1,4 +1,4 @@
-SELECT id, uid, name, email, created, updated
+SELECT id, uid, name, email, external_uid, is_provisioned, created, updated
   FROM {{ .Ident .TeamTable }}
  WHERE org_id = {{ .Arg .Query.OrgID }}
 {{ if .Query.UID }}