Update docker version (#80)

Author: garyservin

environment/Dockerfile

@@ -54,7 +54,7 @@ RUN apt-get update -qq && apt-get install --no-install-recommends -qqy \
     xz-utils
 
 # Install Docker from Docker Inc. repositories.
-RUN curl -sSL https://get.docker.com/ | VERSION=5:23.0.6 sh
+RUN curl -sSL https://get.docker.com/ | VERSION=24.0.6 sh
 
 # Install packer
 RUN curl -sSL https://releases.hashicorp.com/packer/1.9.1/packer_1.9.1_linux_amd64.zip > packer.zip && \