fup: support evacuate target state

This fix minors comments that have been noticed.

Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@industrialdiscipline.com>
Change-Id: Iee6c224aa0f26d8550b38a8f69b28d8648b1da70

doc/api_samples/os-evacuate/v2.95/server-evacuate-find-host-req.json

@@ -1,5 +1,4 @@
 {
     "evacuate": {
-        "targetState": "stopped"
     }
 }

doc/api_samples/os-evacuate/v2.95/server-evacuate-req.json

@@ -1,6 +1,5 @@
 {
     "evacuate": {
-        "host": "testHost",
-        "targetState": "stopped"
+        "host": "testHost"
     }
 }

nova/api/openstack/compute/rest_api_version_history.rst

@@ -1243,5 +1243,6 @@ Name (FQDN).
 ---------------------
 
 Any evacuated instances will be now stopped at destination. This
-requires minimun compute version 27.0.0 (antelope 2023.1).  Operators
-can still use previous microversion for older behavior.
+requires minimun nova release 27.0.0, OpenStack release 2023.1
+Antelope.  Operators can still use previous microversion for older
+behavior.

nova/exception.py

@@ -2513,7 +2513,7 @@ class InvalidNodeConfiguration(NovaException):
 
 
 class NotSupportedComputeForEvacuateV295(NotSupported):
-    msg_fmt = _("Starting to microversion 2.95, evacuate API will stop "
+    msg_fmt = _("Starting with microversion 2.95, evacuate API will stop "
                 "instance on destination. To evacuate before upgrades are "
                 "complete please use an older microversion. Required version "
                 "for compute %(expected), current version %(currently)s")