update changelog for 1.39.3
update changelog for 1.39.3

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