Update dependency css-loader to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
css-loader	devDependencies	major	2.1.1 -> 3.0.0

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Release Notes

webpack-contrib/css-loader

v3.0.0

Compare Source

Bug Fixes

• avoid the "from" argument must be of type string error (#​908) (e5dfd23)
• invert Function behavior for url and import options (#​939) (e9eb5ad)
• properly export locals with escaped characters (#​917) (a0efcda)
• property handle non css characters in localIdentName (#​920) (d3a0a3c)

Features

• modules options now accepts object config (#​937) (1d7a464)
• support @value at-rule in selectors (#​941) (05a42e2)

BREAKING CHANGES

• minimum required nodejs version is 8.9.0
• @value at rules now support in selector, recommends checking all @values at-rule usage (hint: you can add prefix to all @value at-rules, for example @value v-foo: black; or @value m-foo: screen and (max-width: 12450px), and then do upgrade)
• invert {Function} behavior for url and import options (need return true when you want handle url/@import and return false if not)
• exportLocalsStyle option was remove in favor localsConvention option, also it is accept only {String} value (use camelCase value if you previously value was true and asIs if you previously value was false)
• exportOnlyLocals option was remove in favor onlyLocals option
• modules option now can be {Object} and allow to setup CSS Modules options:
  • localIdentName option was removed in favor modules.localIdentName option
  • context option was remove in favor modules.context option
  • hashPrefix option was removed in favor modules.hashPrefix option
  • getLocalIdent option was removed in favor modules.getLocalIdent option
  • localIdentRegExp option was removed in favor modules.localIdentRegExp option

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