fix select hint (#760)

docs/docs/resources/changelog.md

@@ -43,6 +43,7 @@ You can find them in the first column of each color palette.
   - Fixed a bug where child elements did not have correct rounding when headers and footers were absent.
   - Re-introduced `--border-color` so that the card itself can have a different border color than its inner borders.
   - Fixed a bug that prevented slots from showing automatically without `with-` attributes
+- Fixed a bug in `<wa-select>` that prevented the description from being read by screen readers
 
 
 ### Docs

src/components/select/select.ts

@@ -927,6 +927,7 @@ export default class WaSelect extends WebAwesomeFormAssociatedElement {
         </div>
 
         <slot
+          id="hint"
           name="hint"
           part="hint"
           class=${classMap({