update docker_image_openldap

  * docker_image_openldap to 1.2.2

Prod-related: PROD-25938 (PROD:25938)

(cherry picked from commit c78802885068db9228bacdfecf1af224966e3b7c)

Change-Id: I221f2c3eb651ea6f3d547fabdd8ecd0793a6bec3
diff --git a/defaults/docker_images.yml b/defaults/docker_images.yml
index a7b5a8e..7c4fc26 100644
--- a/defaults/docker_images.yml
+++ b/defaults/docker_images.yml
@@ -5,7 +5,7 @@
     # 2.6.2 version, from 12/18/2108, differ from latest 2.6.2 upstream - update next cycle
     docker_image_registry:   "${_param:mcp_docker_registry}/mirantis/external/registry:${_param:mcp_version}"
     docker_image_visualizer: "${_param:mcp_docker_registry}/mirantis/external/visualizer:${_param:mcp_version}"
-    docker_image_openldap: "${_param:mcp_docker_registry}/mirantis/external/osixia/openldap:1.1.8"
+    docker_image_openldap: "${_param:mcp_docker_registry}/mirantis/external/osixia/openldap:1.2.2"
     docker_image_postgresql: "${_param:mcp_docker_registry}/mirantis/external/library/postgres:9.6.10"
     # 3.4.13, from Feb 15, differ from 3.4.13 upstream verison, from March 14 - update next cycle
     docker_image_mongodb: "${_param:mcp_docker_registry}/mirantis/external/library/mongo:${_param:mcp_version}"