Bump mini-css-extract-plugin from 0.5.0 to 2.3.0 (#682)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 0.5.0 to 2.3.0.
- [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/mini-css-extract-plugin@v0.5.0...v2.3.0)

---
updated-dependencies:
- dependency-name: mini-css-extract-plugin
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -80,7 +80,7 @@
     "karma-mocha": "^2.0.1",
     "karma-webpack": "^2.0.5",
     "lerna": "^4.0.0",
-    "mini-css-extract-plugin": "^0.5.0",
+    "mini-css-extract-plugin": "^2.3.0",
     "mkdirp": "^0.5.1",
     "mocha": "^4.0.1",
     "ncp": "^2.0.0",

yarn.lock

@@ -9278,14 +9278,12 @@ min-indent@^1.0.0:
   resolved "https://registry.yarnpkg.com/min-indent/-/min-indent-1.0.1.tgz#a63f681673b30571fbe8bc25686ae746eefa9869"
   integrity sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==
 
-mini-css-extract-plugin@^0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.5.0.tgz#ac0059b02b9692515a637115b0cc9fed3a35c7b0"
-  integrity sha512-IuaLjruM0vMKhUUT51fQdQzBYTX49dLj8w68ALEAe2A4iYNpIC4eMac67mt3NzycvjOlf07/kYxJDc0RTl1Wqw==
+mini-css-extract-plugin@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.3.0.tgz#87515f185533752944d753ac7216fc876779dafe"
+  integrity sha512-uzWaOwC+gJrnKbr23J1ZRWx/Wd9W9Ce1mKPlsBGBV/r8zG7/G7oKMxGmxbI65pVGbae2cR7CUx9Ulk0HQt8BfQ==
   dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^1.0.0"
-    webpack-sources "^1.1.0"
+    schema-utils "^3.1.0"
 
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
@@ -13672,14 +13670,6 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-sources@^1.1.0:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
-  integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
-  dependencies:
-    source-list-map "^2.0.0"
-    source-map "~0.6.1"
-
 webpack-sources@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-3.2.0.tgz#b16973bcf844ebcdb3afde32eda1c04d0b90f89d"