Release SwiftNIO SSL 2.30.0 · apple/swift-nio-ssl

What's Changed

Update test certs by @rnro in #520
Clarify that we don't hop ELs in our callbacks by @Lukasa in #526
Cleanup missing internal Sendable annotation and missing preconcurrency import by @Lukasa in #525
Clean up sendability of statics by @Lukasa in #523
Clean up Sendability errors in pipelines and promises by @Lukasa in #524
Swap some implementation only imports to internal imports by @Lukasa in #521
Fix sendability issues in Universal Bootstrap by @Lukasa in #527
Remove some redundant suppressed conformances by @Lukasa in #522
Lock in strict concurrency adoption by @Lukasa in #530

Rename nightly_6_1 params to nightly_next by @rnro in #510
move nightly-next thresholds and add legacy symlink by @rnro in #511
Delete Thresholds/nightly-6.1 symlink by @rnro in #512
Only apply standard swift settings on valid targets by @rnro in #513
Update the allocations count benchmark threshold for nightly-main by @czechboy0 in #514
Enable macOS CI on merge to main and daily timer by @rnro in #516
Enable macOS CI on pull requests by @rnro in #517
Switch integration tests to newer Swift test matrix by @rnro in #519
Clean up Sendability issues in examples & performance tester by @Lukasa in #528
Address Sendability issues in the tests by @Lukasa in #529
Enable Swift 6.1 jobs in CI by @rnro in #531
Add DocC extension page to provide curation for TLSConfiguration by @heckj in #532
Fix typo in NIOSSLServerHandler documentation. by @zaneenders in #534

Full Changelog: 2.29.3...2.30.0