chore(deps-dev): bump @types/html-minifier from 3.5.3 to 4.0.0

Bumps [@types/html-minifier](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/html-minifier) from 3.5.3 to 4.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/html-minifier)

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

packages/protractor/package.json

@@ -73,7 +73,7 @@
     "@serenity-js/local-server": "2.11.4",
     "@serenity-js/mocha": "2.10.3",
     "@types/express": "^4.17.6",
-    "@types/html-minifier": "^3.5.3",
+    "@types/html-minifier": "^4.0.0",
     "@types/mocha": "^7.0.2",
     "@types/selenium-webdriver": "^3.0.17",
     "chromedriver": "^83.0.0",