Authentication 4.2.1

What's Changed

• Bump actions/checkout from 6 to 7 by @dependabot[bot] in #800
• Bump esbuild and vite in /docs by @dependabot[bot] in #801
• Improve documentation for CookieAuthenticator by @markstory in #803
• Improve cookie authentication tokens by @markstory in #805

Full Changelog: 4.2.0...4.2.1