chore(package): update marko-prettyprint to version 1.1.8
chore(package): update marko-prettyprint to version 1.1.8

https://greenkeeper.io/
Glavin001/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,dvingo/atom-beautify,Glavin001/atom-beautify,dvingo/atom-beautify,dvingo/atom-beautify,dvingo/atom-beautify,dvingo/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify