Bump webpacker from 3.5.5 to 4.1.0

[dependabot-preview]

Bumps webpacker from 3.5.5 to 4.1.0.

Changelog

Sourced from webpacker's changelog.

[4.1.0] - 2019-11-12

• Added favicon_pack_tag to generate favicon links #2281
• Add support for Brotli compression #2273
• Support .(sass|scss).erb #2259
• Elm: Enable production optimizations when compiling in production #2234
• fixes webpacker:clean erroring because of nested hashes #2318
• Revert of production env enforcement #2341
• Add a preload_pack_asset helper #2124
• Record the compilation digest even on webpack error #2117
• See more changes here

[4.0.7] - 2019-06-03

• Prevent @babel/plugin-transform-runtime from rewriting babel helpers in core-js. Remove unneeded runtime @babel/runtime-corejs3 #2116
  • Fix for: #2109 Uncaught TypeError: webpack_require(...) is not a function: If you are upgrading, please check your babel.config.js against the default babel.config.js:
    • @babel/preset-env should contain corejs: 3
    • @babel/plugin-transform-runtime should contain corejs: false
• Removed unneeded runtime @babel/runtime-corejs3

[4.0.6] - 2019-05-30

• Webpack should not be transpiled #2111

[4.0.5] - 2019-05-30

• Don't let babel & core-js transpile each other #2110

[4.0.4] - 2019-05-28

• Remove bundler version constraint

[4.0.3] - 2019-05-28

Please see the diff

Breaking changes (for pre-existing apps)

• @babel/polyfill doesn't make it possible to provide a smooth migration path from core-js@2 to core-js@3: for this reason, it was decided to deprecate @babel/polyfill in favor of separate inclusion of required parts of core-js and regenerator-runtime. #2031

In each of your /packs/*.js files, change this:

import '@babel/polyfill'

to this:

import 'core-js/stable'
</tr></table> ... (truncated)

Commits

• f36e5ed 4.1.0
• 05179f8 fix doc. config webpacker with docker for autoreload (#2297)
• ec47091 Update deployment.md (#2290)
• de25514 Update troubleshooting.md (#2298)
• 749675d Fix doc to follow options for css-loader v3 (#2362)
• 13756f1 Update dependencies (#2360)
• 5da39a1 fixes webpacker:clean erroring because of nested hashes on manifest (#2318)
• 25ff653 Typo 'pnp' instead of 'php' (#2357)
• 4c79d22 Revert of production env enforcement (#2341)
• 76b4917 Bump loofah from 2.2.3 to 2.3.1 (#2355)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #67.