v4.0.0-beta.17

What's Changed

🐛 Fixed

• [A-1756] Apply request headers from streaming pings by @moskyb in #4256
• [A-1755] Die cleanly when heartbeats fail by @moskyb in #4271
• [A-1776] Align hosted agents cache expiry with registry by @buildkate in #4278

🔧 Changed

• oidc request-token: distinct exit status 77 when the API refuses by @pda in #4272

🏠 Internal

• Replace bk-cli-backed pipeline test with agent e2e tests by @ss1909 in #4273

Full Changelog: v4.0.0-beta.16...v4.0.0-beta.17