• Add Logger::log_level() method.
• Improve handling of non-UTF-8 header values in Logger middleware.
• Add HttpServer::shutdown_signal() method.
• Mark HttpServer as #[must_use].
• Allow SVG images to be compressed by the Compress middleware.
• Ignore Host header in Host guard when connection protocol is HTTP/2.
• Re-export mime dependency.
• Update brotli dependency to 8.