chore(package): update pdfjs-dist to version 1.6.254 (#916)
chore(package): update pdfjs-dist to version 1.6.254 (#916)

https://greenkeeper.io/
SpatialVision/jsPDF,jutunen/jsPDF-table_2,jutunen/jsPDF-table_2,MrRio/jsPDF,yWorks/jsPDF,MrRio/jsPDF,MrRio/jsPDF,SpatialVision/jsPDF,yWorks/jsPDF,yWorks/jsPDF