feat(script): add Supports() to htmlscriptelement (#37313)

Add static method `Supports` to `HTMLScriptElement`.

Part of #37262
Testing: relative WPT tests should become `PASS`

Signed-off-by: Jason Tsai <git@pews.dev>

components/script_bindings/webidls/HTMLScriptElement.webidl

@@ -32,6 +32,8 @@ interface HTMLScriptElement : HTMLElement {
   [CEReactions]
            attribute DOMString referrerPolicy;
 
+  static boolean supports(DOMString type);
+
   // also has obsolete members
 };