chore(package): update prettyjson to version 1.2.1 (#7758)
chore(package): update prettyjson to version 1.2.1 (#7758)

https://greenkeeper.io/
leninhasda/Ghost,jomahoney/Ghost,cwonrails/Ghost,kevinansfield/Ghost,ErisDS/Ghost,BlueHatbRit/Ghost,cwonrails/Ghost,vainglori0us/urban-fortnight,JohnONolan/Ghost,novaugust/Ghost,mohanambati/Ghost,novaugust/Ghost,vainglori0us/urban-fortnight,letsjustfixit/Ghost,acburdine/Ghost,janvt/Ghost,letsjustfixit/Ghost,TryGhost/Ghost,dbalders/Ghost,sebgie/Ghost,ivantedja/ghost,dbalders/Ghost,chevex/undoctrinate,mohanambati/Ghost,stridespace/Ghost,kevinansfield/Ghost,bitjson/Ghost,mohanambati/Ghost,Gargol/Ghost,e10/Ghost,SkynetInc/steam,jomahoney/Ghost,acburdine/Ghost,acburdine/Ghost,olsio/Ghost,novaugust/Ghost,ballPointPenguin/Ghost,Kikobeats/Ghost,bitjson/Ghost,singular78/Ghost,Kikobeats/Ghost,adam-paterson/blog,adam-paterson/blog,disordinary/Ghost,olsio/Ghost,ignasbernotas/nullifer,letsjustfixit/Ghost,dbalders/Ghost,lukekhamilton/Ghost,TryGhost/Ghost,JohnONolan/Ghost,cwonrails/Ghost,ignasbernotas/nullifer,Kikobeats/Ghost,singular78/Ghost,ErisDS/Ghost,sebgie/Ghost,Gargol/Ghost,leninhasda/Ghost,stridespace/Ghost,TryGhost/Ghost,ErisDS/Ghost,vainglori0us/urban-fortnight,stridespace/Ghost,sebgie/Ghost,singular78/Ghost,ballPointPenguin/Ghost,lukekhamilton/Ghost,BlueHatbRit/Ghost,SkynetInc/steam,kevinansfield/Ghost,JohnONolan/Ghost,e10/Ghost,disordinary/Ghost,janvt/Ghost