Update Dockerfile

Author: biancalaube

Dockerfile

@@ -22,8 +22,8 @@ RUN cd ./modules/oas-page-builder \
 # where repo work will happen
 FROM ubuntu:20.04
 ARG WORK_DIRECTORY=/home/docsworker-xlarge
-ARG SNOOTY_PARSER_VERSION=0.18.2
-ARG SNOOTY_FRONTEND_VERSION=0.18.5
+ARG SNOOTY_PARSER_VERSION=0.18.3
+ARG SNOOTY_FRONTEND_VERSION=0.18.6
 ARG MUT_VERSION=0.11.4
 ARG REDOC_CLI_VERSION=1.3.0
 ARG NPM_BASE_64_AUTH