Bump @inrupt/solid-client-authn-browser in /e2e/browser/test-app

Bumps [@inrupt/solid-client-authn-browser](https://github.com/inrupt/solid-client-authn-js) from 3.1.1 to 4.0.0.
- [Release notes](https://github.com/inrupt/solid-client-authn-js/releases)
- [Changelog](https://github.com/inrupt/solid-client-authn-js/blob/main/CHANGELOG.md)
- [Commits](inrupt/solid-client-authn-js@v3.1.1...v4.0.0)

---
updated-dependencies:
- dependency-name: "@inrupt/solid-client-authn-browser"
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]