Bump webpack-serve from 2.0.3 to 3.2.0

Bumps [webpack-serve](https://github.com/shellscape/webpack-serve) from 2.0.3 to 3.2.0.
- [Release notes](https://github.com/shellscape/webpack-serve/releases)
- [Commits](shellscape/webpack-serve@v2.0.3...v3.2.0)

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

Author: dependabot-preview[bot]

package.json

@@ -84,6 +84,6 @@
     "webpack": "^4.29.3",
     "webpack-cli": "^3.2.3",
     "webpack-dev-server": "^3.1.14",
-    "webpack-serve": "^2.0.3"
+    "webpack-serve": "^3.2.0"
   }
 }