Update Dockerfile (#1066)

Author: branberry

Dockerfile

@@ -23,7 +23,7 @@ RUN cd ./modules/oas-page-builder \
 FROM ubuntu:20.04
 ARG WORK_DIRECTORY=/home/docsworker-xlarge
 ARG SNOOTY_PARSER_VERSION=0.16.15
-ARG SNOOTY_FRONTEND_VERSION=0.16.26
+ARG SNOOTY_FRONTEND_VERSION=0.16.27
 ARG MUT_VERSION=0.11.4
 ARG REDOC_CLI_VERSION=1.2.3
 ARG NPM_BASE_64_AUTH