v1.20260315.1

What's Changed

• remove unnecessary into_option() by @anonrig in https://github.com/cloudflare/workerd/pull/6322
• Add further support for DO cohorts by @maxmcd in https://github.com/cloudflare/workerd/pull/6198
• Add WORKER_LOADER.load() for one-off workers. by @kentonv in https://github.com/cloudflare/workerd/pull/6316

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260314.1...v1.20260315.1