meta: add web-standards as WPTs owner

PR-URL: #50636
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Debadree Chatterjee <[email protected]>
Reviewed-By: Chengzhong Wu <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: panva

.github/CODEOWNERS

@@ -178,3 +178,5 @@
 # Web Standards
 /lib/internal/bootstrap/web/* @nodejs/web-standards
 /lib/internal/navigator.js @nodejs/web-standards
+/test/fixtures/wpt/ @nodejs/web-standards
+/test/wpt/ @nodejs/web-standards