update changelog for 1.48.3
update changelog for 1.48.3

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