Update 5 files

Daniel Cothranrequested to merge
issue/charts-3570689:3570689-add-pareto-option into 5.1.x
  • /modules/charts_highcharts/composer.json
  • /modules/charts_highcharts/package.json
  • /modules/charts_highcharts/charts_highcharts.libraries.yml
  • /modules/charts_highcharts/config/schema/charts_highcharts.schema.yml
  • /modules/charts_highcharts/src/Plugin/chart/Library/Highcharts.php

Closes #3570689

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