Bump webpack-dev-middleware from 1.6.1 to 5.3.4 (#433)

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) from 1.6.1 to 5.3.4.
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/v5.3.4/CHANGELOG.md)
- [Commits](webpack/webpack-dev-middleware@v1.6.1...v5.3.4)

---
updated-dependencies:
- dependency-name: webpack-dev-middleware
  dependency-version: 5.3.4
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyler Allen <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -94,7 +94,7 @@
     "sinon": "1.17.4",
     "sinon-chai": "2.8.0",
     "webpack": "1.13.1",
-    "webpack-dev-middleware": "1.6.1",
+    "webpack-dev-middleware": "5.3.4",
     "webpack-hot-middleware": "2.12.1"
   }
 }