fix web-platform tests web-idl parser

[anonrig]

Adds the missing webidl parser resource so that we don't have to skip the idl parser tests anymore.

[codspeed-hq]

CodSpeed Performance Report

Merging #5830 will not alter performance

_{Comparing yagiz/fix-webidl-parser (ed06176) with main (9a381cb)}

Summary

✅ 129 untouched
⏩ 49 skipped¹

Footnotes

1. 49 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩