Merge pull request #2777 from thelounge/renovate/webpack-4.x

chore(deps): update dependency webpack to v4.19.0

package.json

@@ -105,7 +105,7 @@
     "stylelint-config-standard": "18.2.0",
     "textcomplete": "0.17.1",
     "undate": "0.3.0",
-    "webpack": "4.18.1",
+    "webpack": "4.19.0",
     "webpack-cli": "3.1.0",
     "webpack-dev-server": "3.1.8"
   }

yarn.lock

@@ -7846,9 +7846,9 @@ webpack-sources@^1.1.0, webpack-sources@^1.2.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.18.1:
-  version "4.18.1"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.18.1.tgz#029042c815443fce23424de1548d9317cfca148a"
+webpack@4.19.0:
+  version "4.19.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.19.0.tgz#252296c8af2d21c0994911007defdb3913a7bc66"
   dependencies:
     "@webassemblyjs/ast" "1.7.6"
     "@webassemblyjs/helper-module-context" "1.7.6"