Upgraded Firefox to version 72.0.1-r0.

Author: jlesage

Dockerfile

@@ -11,7 +11,7 @@ FROM jlesage/baseimage-gui:alpine-3.10-v3.5.3
 ARG DOCKER_IMAGE_VERSION=unknown
 
 # Define software versions.
-ARG FIREFOX_VERSION=71.0-r0
+ARG FIREFOX_VERSION=72.0.1-r0
 ARG JSONLZ4_VERSION=c4305b8
 ARG LZ4_VERSION=1.8.1.2
 #ARG PROFILE_CLEANER_VERSION=2.36