Bump laravel-mix from 4.0.16 to 4.1.2 (#2219)

Bumps [laravel-mix](https://github.com/JeffreyWay/laravel-mix) from 4.0.16 to 4.1.2.
- [Release notes](https://github.com/JeffreyWay/laravel-mix/releases)
- [Commits](https://github.com/JeffreyWay/laravel-mix/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -27,7 +27,7 @@
     "cross-env": "^5.2",
     "eslint": "^6.0",
     "eslint-plugin-import": "^2.18",
-    "laravel-mix": "^4.0",
+    "laravel-mix": "^4.1",
     "npm-run-all": "^4.1",
     "rimraf": "^2.6",
     "sass": "^1.22",

yarn.lock

@@ -4608,10 +4608,10 @@ known-css-properties@^0.14.0:
   resolved "https://registry.yarnpkg.com/known-css-properties/-/known-css-properties-0.14.0.tgz#d7032b4334a32dc22e6e46b081ec789daf18756c"
   integrity sha512-P+0a/gBzLgVlCnK8I7VcD0yuYJscmWn66wH9tlKsQnmVdg689tLEmziwB9PuazZYLkcm07fvWOKCJJqI55sD5Q==
 
-laravel-mix@^4.0:
-  version "4.0.16"
-  resolved "https://registry.yarnpkg.com/laravel-mix/-/laravel-mix-4.0.16.tgz#449c121021f062f03707bf49d1221d4640760d07"
-  integrity sha512-S4qBneKYL8Vl2VaZ2igcxsrcfSR5lGqi+EeZSA35Jr7N9Btl/+0pplC2CvJHNGdp2j4CPvtdOOtdQsYYNbAYvg==
+laravel-mix@^4.1:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/laravel-mix/-/laravel-mix-4.1.2.tgz#eaf9999f030d2d45614a83457e0ee3b6f243b56d"
+  integrity sha512-nA+JME+59hWI5u+r3VfPfmpUj8CxlNmNsvslBOUtUwRc1K2Wq55uAPUtTLgAp7n5JngF3O7qFN3LcTCVO/SpZQ==
   dependencies:
     "@babel/core" "^7.2.0"
     "@babel/plugin-proposal-object-rest-spread" "^7.2.0"