IAM: Implement update method in team API (#111660)

* implement team update in legacy store

* add unit tests

* add integration test

* set permissions for user in integration tests

* add more integration tests for update

* update validations

* add unit tests for ValidateOnUpdate() func

* fix integration test

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

@@ -0,0 +1,7 @@
+UPDATE {{ .Ident .TeamTable }}
+SET name = {{ .Arg .Command.Name }},
+    updated = {{ .Arg .Command.Updated }},
+    email = {{ .Arg .Command.Email }},
+    is_provisioned = {{ .Arg .Command.IsProvisioned }},
+    external_uid = {{ .Arg .Command.ExternalUID }}
+WHERE uid = {{ .Arg .Command.UID }}