fix(Select): move selected from <option> to defaultValue on <select> (#2511)

* fix(Select): move selected from <option> to defaultValue on <select>

* chore: add changeset

Co-authored-by: Josep Martins <[email protected]>

Author: joshblack

.changeset/moody-islands-impress.md

@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+Remove selected from <option> and add defaultValue for <select> when placeholder is provided

src/Select.tsx

@@ -87,10 +87,11 @@ const Select = React.forwardRef<HTMLSelectElement, SelectProps>(
         disabled={disabled}
         aria-invalid={validationStatus === 'error' ? 'true' : 'false'}
         data-hasplaceholder={Boolean(placeholder)}
+        defaultValue={placeholder ?? undefined}
         {...rest}
       >
         {placeholder && (
-          <option value="" disabled={required} selected hidden={required}>
+          <option value="" disabled={required} hidden={required}>
             {placeholder}
           </option>
         )}