R15

What's Changed

Significant update: Given the user has installed necessary certificates within their platform's native certificate store, using TlsConfiguration::default() will now load the root certificates from it. Also now Notifier::try_recv() provides a non-blocking interface to receive incoming packets on.

• feat: Derive missing traits where required by @henil in #429
• fix(exports): remove leaky pub use by @henil in #428
• feat: Create non-blocking interface for Notifier by @de-sh in #431
• feat: MqttOptions::parse_url uses rustls-native-certs::load_native_certs() for encrypted connections by @de-sh in #436

Full Changelog: R14...R15