Release: v1.4.6

What's Changed

• Add Rust bindings for certificate chains by @Mark-Simulacrum in #4398
• fix(test): fix dangling pointers in cert verify test by @jmayclin in #4430
• Extend license check to .rs files by @Mark-Simulacrum in #4428
• feat: apply cert signature preferences locally by @jmayclin in #4407
• test: add cert chain with mixed key sizes by @jmayclin in #4433
• chore: bindings bump by @maddeleine in #4437
• feat: add cert key preferences by @jmayclin in #4434
• fix: prevent enabling ktls with a buffered record header fragment by @lrstewart in #4426
• Relax HRR consistency requirements for second client hello by @goatgoose in #4429
• fix: Unsets global libcrypto rand by @maddeleine in #4424
• refactor: fix unread variable warnings by @jmayclin in #4405
• refactor: enforce stuffer return check by @jmayclin in #4399
• docs: Specify the return value of S2N_FAILURE for IO APIs by @goatgoose in #4446

Full Changelog: v1.4.5...v1.4.6