CodeOwners: Update authnz components (#60985)

update authnz codeowners

.github/CODEOWNERS

@@ -39,8 +39,8 @@ go.sum @grafana/backend-platform
 /pkg/api/ @grafana/backend-platform
 /pkg/bus/ @grafana/backend-platform
 /pkg/cmd/ @grafana/backend-platform
-/pkg/components/apikeygen/ @grafana/backend-platform
-/pkg/components/apikeygenprefixed/ @grafana/backend-platform
+/pkg/components/apikeygen/ @grafana/grafana-authnz-team
+/pkg/components/apikeygenprefixed/ @grafana/grafana-authnz-team
 /pkg/components/dashdiffs/ @grafana/backend-platform
 /pkg/components/imguploader/ @grafana/backend-platform
 /pkg/components/loki/ @grafana/backend-platform
@@ -104,7 +104,7 @@ go.sum @grafana/backend-platform
 /pkg/services/star/ @grafana/backend-platform
 /pkg/services/stats/ @grafana/backend-platform
 /pkg/services/tag/ @grafana/backend-platform
-/pkg/services/team/ @grafana/backend-platform
+/pkg/services/team/ @grafana/grafana-authnz-team
 /pkg/services/temp_user/ @grafana/backend-platform
 /pkg/services/updatechecker/ @grafana/backend-platform
 /pkg/services/user/ @grafana/backend-platform