fix: updating ansible verison to 2.7.18 (#2187)

deploy/jenkins/jenkins-server-setup.sh

@@ -66,7 +66,7 @@ ln -s /usr/local/lib/node-v6.17.1-linux-x64/bin/gulp /usr/bin/gulp
 rm -rf node-v6.17.1-linux-x64*
 
 echo -e "\n\e[0;32m${bold}Installating Ansible${normal}"
-pip install ansible==2.5.2
+pip install ansible==2.7.18
 
 echo -e "\n\e[0;32m${bold}Installating azure cli${normal}"
 apt-get install ca-certificates curl apt-transport-https lsb-release gnupg