Thank you again to all contributors and reviewers :)

• docs updates
• go 1.21 in ci
• typos in comments
• middleware: Sunset, middleware which can be used to deprecate an endpoint (https://github.com/go-chi/chi/pull/844)
• middleware: use original expvar handler for profiler middleware (https://github.com/go-chi/chi/pull/848)
• updated _examples/httplog to use "log/slog" in go 1.21+
• middleware: new SuppressNotFound
• ensure to reset methodsAllowed between requests (https://github.com/go-chi/chi/commit/9dd8b4a7b5930c86ac2ecfdb55467112cc223518)
• History of changes, see https://github.com/go-chi/chi/compare/v5.0.10...v5.0.11