Bump @types/webpack from 4.41.21 to 5.28.0 in /extensions/ql-vscode

Bumps [@types/webpack](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/webpack) from 4.41.21 to 5.28.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/webpack)

---
updated-dependencies:
- dependency-name: "@types/webpack"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -1175,7 +1175,7 @@
     "@types/tmp": "^0.1.0",
     "@types/unzipper": "~0.10.1",
     "@types/vscode": "^1.59.0",
-    "@types/webpack": "^4.32.1",
+    "@types/webpack": "^5.28.0",
     "@types/xml2js": "~0.4.4",
     "@typescript-eslint/eslint-plugin": "^4.26.0",
     "@typescript-eslint/parser": "^4.26.0",