glance over cinder: add required lock_path option

It seems oslo_concurrency.lock_path is required when configuring
glance over cinder.

Jira: OSPRH-21516

Author: tosky

docs_user/modules/proc_adopting-image-service-with-block-storage-backend.adoc

@@ -24,6 +24,8 @@ spec
           cinder_store_project_name = service
           cinder_catalog_info = volumev3::internalURL
           cinder_use_multipath = true
+          [oslo_concurrency]
+          lock_path = /var/lib/glance/tmp
 ----
 
 .Prerequisites
@@ -58,6 +60,8 @@ spec:
         cinder_store_project_name = service
         cinder_catalog_info = volumev3::internalURL
         cinder_use_multipath = true
+        [oslo_concurrency]
+        lock_path = /var/lib/glance/tmp
       glanceAPIs:
         default:
           replicas: 1

tests/roles/glance_adoption/templates/glance_cinder.yaml.j2

@@ -22,6 +22,8 @@ spec:
           cinder_store_project_name = service
           cinder_catalog_info = volumev3::internalURL
           cinder_use_multipath = true
+          [oslo_concurrency]
+          lock_path = /var/lib/glance/tmp
       glanceAPIs:
         default:
           replicas: 1