Webpack Lighthouse Plugin Versions Save

This version updates the latest deps and to lighthouse v8

This release updates to the latest lighthouse version

This release removes webpack-cli from local dependenices.

This release updates deps to lighthouse to the latest. Enjoy!

• fixes an issue where lighthouse emits an error on ciruclar artifacts: https://github.com/addyosmani/webpack-lighthouse-plugin/pull/10

• Updated webpack-lighthouse-plugin upstream against lighthouse (#7)
• Simplified logic in source code (#7)
• Small improvements in documentation (#8)
• Updated dependencies (https://github.com/addyosmani/webpack-lighthouse-plugin/commit/ebf46f1098b39b02b02d340cf048caeffd8a2e83)