Merge pull request #2686 from thelounge/renovate/webpack-4.x

chore(deps): update dependency webpack to v4.16.4

package.json

@@ -102,7 +102,7 @@
     "stylelint-config-standard": "18.2.0",
     "textcomplete": "0.17.1",
     "undate": "0.3.0",
-    "webpack": "4.16.3",
+    "webpack": "4.16.4",
     "webpack-cli": "3.1.0",
     "webpack-dev-server": "3.1.5"
   }

yarn.lock

@@ -7778,9 +7778,9 @@ webpack-sources@^1.0.1, webpack-sources@^1.1.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.16.3:
-  version "4.16.3"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.16.3.tgz#861be3176d81e7e3d71c66c8acc9bba35588b525"
+webpack@4.16.4:
+  version "4.16.4"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.16.4.tgz#6b020f76483bc66339164c296d89978aa100d37a"
   dependencies:
     "@webassemblyjs/ast" "1.5.13"
     "@webassemblyjs/helper-module-context" "1.5.13"