v0.6.0

Breaking Change

• The feature use_rustls was removed in favor of rustls_ring and rustls_aws_lc_rs
• The feature hyper_rustls was removed
• The feature async_std_rustls was removed

Updated Dependencies

• rustls 0.23 (Default cryptography provider changed)
  • both ring and aws-lc-rs can now be used by async-acme
• rcgen 0.13