Bump webpack from 4.42.0 to 4.42.1

Bumps [webpack](https://github.com/webpack/webpack) from 4.42.0 to 4.42.1.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.42.0...v4.42.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "terser-webpack-plugin": "^2.3.5",
     "uglifyjs-webpack-plugin": "^2.2.0",
-    "webpack": "^4.42.0",
+    "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11",
     "webpack-merge": "^4.2.2"
   }