chore(deps): update dependency webpack to v5 (#12)

Author: renovate-bot

package.json

@@ -57,7 +57,6 @@
  "sinon": "^9.0.3",
  "ts-loader": "^8.0.3",
  "typescript": "^3.9.7",
- "webpack": "^4.44.1",
  "webpack-cli": "^3.3.12"
  },
  "engines": {