WPT Update

Context

WPT (Web Platform Tests) is an open-source test suite for assessing runtime conformance with Web standards. workerd keeps configuration under src/wpt because some tests are not applicable or cover behavior workerd does not yet implement.

A request to bump or update WPT includes both the dependency update and triage unless the user explicitly requests a bump-only change.

Scope

Allowed edits are dependency metadata produced by the updater and WPT config files under src/wpt. Do not fix runtime conformance bugs during a WPT update. If correct triage requires runtime, harness, build-rule, patch, or upstream changes, report the required follow-up but don't make changes unless the user expands the scope.