v1.20260203.0

What's Changed

• Add AI Search RPC by @G4brym in https://github.com/cloudflare/workerd/pull/5995
• Fixes how Python Workers treats duplicate headers by @dom96 in https://github.com/cloudflare/workerd/pull/5915
• [nfc] Remove unused code, use kj::RefcountedWrapper over custom wrappers by @fhanau in https://github.com/cloudflare/workerd/pull/5992
• Enclose input_gate_lock_hold and input_gate_lock_wait spans into inpu… by @shrima-cf in https://github.com/cloudflare/workerd/pull/5948

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260201.0...v1.20260203.0