Bump ONOS version forward to 1.10.6

Change-Id: Icf24c5b2df6cb20942046431642e7a5dd3c911ed
(cherry picked from commit 0e8d8bb5206a04be13859b2f0bb33ae343928dc4)
diff --git a/docker_images.yml b/docker_images.yml
index 02c5b3b..ba36fbe 100644
--- a/docker_images.yml
+++ b/docker_images.yml
@@ -32,7 +32,7 @@
   - "gliderlabs/consul-server:0.6"
   - "gliderlabs/registrator:v7"
   - "nginx:1.13"
-  - "onosproject/onos:1.10.4"
+  - "onosproject/onos:1.10.6"
   - "redis:3.2"
   - "node:7.9.0" # remove once the issue with node:candidate is resolved