Fix modal.close not being of type button

Author: Caesarovich

.changeset/fresh-jobs-brush.md

@@ -0,0 +1,5 @@
+---
+'@qwik-ui/headless': patch
+---
+
+fix: Modal.Close now of type button

packages/kit-headless/src/components/modal/modal-close.tsx

@@ -9,7 +9,7 @@ export const HModalClose = component$((props: PropsOf<'button'>) => {
   });
 
   return (
-    <button onClick$={[handleClick$, props.onClick$]} {...props}>
+    <button type="button" onClick$={[handleClick$, props.onClick$]} {...props}>
       <Slot />
     </button>
   );