v1.20260207.0

What's Changed

• Expose conversion ID in ConversionResponse object by @Naapperas in https://github.com/cloudflare/workerd/pull/6025
• Fixup handling of transfered/resized ArrayBuffers by @jasnell in https://github.com/cloudflare/workerd/pull/6023
• fix encoding label names by @anonrig in https://github.com/cloudflare/workerd/pull/6031
• fix TextDecoder windows-1252 / latin1 / ascii by @anonrig in https://github.com/cloudflare/workerd/pull/6030
• add opennextjs streaming tests by @anonrig in https://github.com/cloudflare/workerd/pull/5993
• remove successful tests from encoding wpt by @anonrig in https://github.com/cloudflare/workerd/pull/6033
• fix setTimeout inconsistencies by @anonrig in https://github.com/cloudflare/workerd/pull/6034
• set a compat_flag for TextDecoder utf16 surrogate by @anonrig in https://github.com/cloudflare/workerd/pull/6032
• fix flakiness in container tests by @anonrig in https://github.com/cloudflare/workerd/pull/6036

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260206.0...v1.20260207.0