[SEBA-500] Always generate core models before a migration as service models depend on them

Change-Id: I0f007f9f3d217703869847d6cf570093c7af6363
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 5df913a..9079966 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:2.1.56
+FROM xosproject/xos-base:2.1.57
 
 # xos-base already has protoc and dependencies installed