Added support for P521 SHA-256/SHA-384 signature verification with aws-lc-rs.

What's Changed

• chore(deps): update rust crate tikv-jemallocator to 0.6 by @renovate-bot in https://github.com/rustls/rustls/pull/2045
• chore(deps): lock file maintenance by @renovate-bot in https://github.com/rustls/rustls/pull/2046
• ci: tweak renovate config by @cpu in https://github.com/rustls/rustls/pull/2047
• Support P521 SHA-256/SHA-384 signatures with aws-lc-rs by @samin-cf in https://github.com/rustls/rustls/pull/2050
• build(deps): bump openssl from 0.10.64 to 0.10.66 by @dependabot in https://github.com/rustls/rustls/pull/2051
• Prepare 0.23.12 release by @samin-cf in https://github.com/rustls/rustls/pull/2052