meta: add web-standards as webidl owners

Signed-off-by: Filip Skokan <panva.ip@gmail.com>

Author: panva

.github/CODEOWNERS

@@ -189,6 +189,7 @@
 # Web Standards
 /lib/internal/bootstrap/web/* @nodejs/web-standards
 /lib/internal/navigator.js @nodejs/web-standards
+/lib/internal/webidl.js @nodejs/web-standards
 /test/fixtures/wpt/ @nodejs/web-standards
 /test/wpt/ @nodejs/web-standards