Set max_microversion 2.35 for nova floating ip bulk tests

The compute os-floating-ips-bulk API is deprecated from Microversion
2.36, so we should set max_microversion = '2.35' for compute floating ip
bulk tests.

ref: https://developer.openstack.org/api-ref/compute/#list-floating-ips

Implements blueprint: clear-deprecated-api

Change-Id: Ide8cf348f5804ab8ec82b5069d8aa79ed1223f6f
diff --git a/tempest/api/compute/admin/test_floating_ips_bulk.py b/tempest/api/compute/admin/test_floating_ips_bulk.py
index ba19937..72d09ed 100644
--- a/tempest/api/compute/admin/test_floating_ips_bulk.py
+++ b/tempest/api/compute/admin/test_floating_ips_bulk.py
@@ -31,6 +31,7 @@
     API documentation - http://docs.openstack.org/api/openstack-compute/2/
     content/ext-os-floating-ips-bulk.html
     """
+    max_microversion = '2.35'
 
     @classmethod
     def setup_clients(cls):