v1.20260404.1

What's Changed

• Fixup a couple small new module registry nits by @jasnell in https://github.com/cloudflare/workerd/pull/6492
• just update-deps capnp-cpp by @mikea in https://github.com/cloudflare/workerd/pull/6335

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260403.1...v1.20260404.1