feat(@angular-devkit/build-angular): update webpack dependencies

Webpack@4.22.0

Author: clydin

packages/angular_devkit/build_angular/package.json

@@ -25,7 +25,7 @@
     "less-loader": "4.1.0",
     "license-webpack-plugin": "2.0.2",
     "loader-utils": "1.1.0",
-    "mini-css-extract-plugin": "0.4.3",
+    "mini-css-extract-plugin": "0.4.4",
     "minimatch": "3.0.4",
     "parse5": "4.0.0",
     "opn": "5.3.0",
@@ -39,18 +39,18 @@
     "semver": "5.5.1",
     "source-map-support": "0.5.9",
     "source-map-loader": "0.2.4",
-    "speed-measure-webpack-plugin": "^1.2.3",
+    "speed-measure-webpack-plugin": "1.2.3",
     "stats-webpack-plugin": "0.7.0",
-    "style-loader": "0.23.0",
+    "style-loader": "0.23.1",
     "stylus": "0.54.5",
     "stylus-loader": "3.0.2",
     "tree-kill": "1.2.0",
     "terser-webpack-plugin": "1.1.0",
-    "webpack": "4.19.1",
-    "webpack-dev-middleware": "3.3.0",
-    "webpack-dev-server": "3.1.8",
+    "webpack": "4.22.0",
+    "webpack-dev-middleware": "3.4.0",
+    "webpack-dev-server": "3.1.10",
     "webpack-merge": "4.1.4",
-    "webpack-sources": "1.2.0",
+    "webpack-sources": "1.3.0",
     "webpack-subresource-integrity": "1.1.0-rc.6"
   },
   "optionalDependencies": {