bump npm version in package.json for preversion test
bump npm version in package.json for preversion test

plotly/plotly.js,plotly/plotly.js,aburato/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,etpinard/plotly.js,aburato/plotly.js,etpinard/plotly.js