Upgrade testssl.sh & add colour to ciphers

Author: binarymist

Dockerfile

@@ -16,7 +16,7 @@ ARG LOCAL_GROUP_ID
 # ENV USER 1000
 ENV USER tls_scanner
 ENV GROUP purpleteam
-ENV TESTSSL_VERSION 3.0.5
+ENV TESTSSL_VERSION v3.0.6
 RUN echo user is: ${USER}, LOCAL_USER_ID is: ${LOCAL_USER_ID}, group is: ${GROUP}, LOCAL_GROUP_ID is: ${LOCAL_GROUP_ID}
 
 # Following taken from: https://github.com/mhart/alpine-node/issues/48#issuecomment-430902787