[Debian-med-packaging] Bug#1011446: q2-demux, q2-taxa: replace node-uglifyjs-webpack-plugin with node-terser-webpack-plugin

[Pirate Praveen]

Package: q2-demux,q2-taxa
severity: serious
Control: block 977311 by -1

node-uglifyjs-webpack-plugin is dead upstream and we want to remove it 
from debian, please switch to using node-terser-webpack-plugin.