SEBA-495 eliminate chameleon dependency

Change-Id: Ia359d751c3ac84bf8f7038f611d1c5f1a126d1df
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index cb72f9b..5df913a 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/chameleon
-FROM xosproject/xos-base:2.1.55
+FROM xosproject/xos-base:2.1.56
 
 # xos-base already has protoc and dependencies installed