doc: mark the max microversion for yoga

Just follows the pattern that we do every release.

Change-Id: Ia6ea455e50307c515cbade467d32799baaec2d85
Signed-off-by: Takashi Natsume <[email protected]>

Author: takanattie

nova/api/openstack/compute/rest_api_version_history.rst

@@ -1191,8 +1191,8 @@ field.
 
 .. _microversion 2.90:
 
-2.90 (Maximum in Xena)
-----------------------
+2.90 (Maximum in Xena and Yoga)
+-------------------------------
 
 The ``POST /servers`` (create server), ``PUT /servers/{id}`` (update server)
 and ``POST /servers/{server_id}/action (rebuild)`` (rebuild server) APIs now