Update Dockerfile with Parser and Fronted Versions

Author: anabellabuckvar

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=0.18.4
-ARG SNOOTY_FRONTEND_VERSION=0.18.7
+ARG SNOOTY_PARSER_VERSION=0.18.5
+ARG SNOOTY_FRONTEND_VERSION=0.18.8
 ARG MUT_VERSION=0.11.4
 ARG REDOC_CLI_VERSION=1.3.0
 ARG NPM_BASE_64_AUTH