v1.51.0

Summary

• Additional events and visibility for s2n-quic-dc

What's Changed

• core: update github PR template by @lrstewart in #2377
• feat(s2n-quic-dc): add acceptor events by @camshaft in #2379
• feat(s2n-quic-dc): record gap for accepted packets by @Mark-Simulacrum in #2381
• test(s2n-quic-dc): add send tests and benchmarks by @camshaft in #2380
• Metric for forward gaps in key ID tracking by @Mark-Simulacrum in #2382
• feat(s2n-quic): improve local handshake failure visibility by @camshaft in #2383
• chore: release 1.51.0 by @WesleyRosenblum in #2384

Full Changelog: v1.50.0...v1.51.0