fix: fix incorrect Webpack version in package.json

Author: bolt-bot

packages/uikit-workshop/package.json

@@ -57,7 +57,7 @@
     "sass-loader": "^7.1.0",
     "style-loader": "^0.23.1",
     "uglifyjs-webpack-plugin": "^1.2.7",
-    "webpack": "4.26.3",
+    "webpack": "4.26.0",
     "webpack-cli": "^3.1.2",
     "workbox-build": "^3.4.1",
     "yargs": "^12.0.1"