v1.20251121.0

What's Changed

• Only print debug log if an alarm is being set by @MellowYarker in https://github.com/cloudflare/workerd/pull/5558
• [ci] Further attempt to fix macOS CI by reducing Bazel parallelism by @fhanau in https://github.com/cloudflare/workerd/pull/5559
• [o11y] Obsolete the STW compat flag by @fhanau in https://github.com/cloudflare/workerd/pull/5552
• benchmarks: add support for capnp benchmarks by @mikea in https://github.com/cloudflare/workerd/pull/5539

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20251120.0...v1.20251121.0