Dependency resolution fails for echarts

[eelco]

Generator link: https://generator.jspm.io/#U2VhYGBkDM0rySzJSU1hSE3OSCwqKXYw1TPTMwAA9UxKURwA

I’ve also filed an issue with echarts: apache/echarts#20693

As a user, it’s near impossible to determine who’s at “fault” here. But, I’m assuming echarts works as expected with other ESM setups, so I would expect JSPM to work too.