0.104.0-alpha.3

What's Changed

• build(deps): bump actions/checkout from 5 to 6 by @dependabot[bot] in #415
• Skip over issuerUniqueID and subjectUniqueID by @ctz in #419
• Align lints with rustls by @djc in #424
• ci: sync cargo-check-external-types nightly by @cpu in #425
• build(deps): bump taiki-e/cache-cargo-install-action from 2 to 3 by @dependabot[bot] in #430
• tests: port tls_server_certs tests to Rust by @djc in #434
• Tie lifetime of valid_dns_names/valid_uri_names to struct lifetime by @alex in #435
• generate.py: reformat for black 2026.1.0 by @ctz in #438
• tests: port signature tests to Rust by @djc in #440
• tests: group signature tests by algorithm by @djc in #441
• Start basic SCT support by @djc in #423

Full Changelog: v/0.104.0-alpha.2...v/0.104.0-alpha.3