Tapable.plugin is deprecated. Use new API on `.hooks` instead

[gesmith]

Problem: Deprecation warning in console when running webpack.
DeprecationWarning: Tapable.plugin is deprecated. Use new API on `.hooks` instead at ReplaceBundlePlugin.apply (/node_modules/replace-bundle-webpack-plugin/index.js:21:11)

Refer to this comment in the Webpack repo: #webpack/webpack#6568 (comment)

Cause of issue: webpack 4 is using a new plugin system and deprecates the previous APIs

[kimhou]

ok, let me check