change proptype of errortext since it is now always an array

Author: summer-cook

src/components/Error/Error.jsx

@@ -36,7 +36,7 @@ const Error = ({ errors, showBackButton, canDismissAlert, router }) => {
 Error.propTypes = {
   canDismissAlert: PropTypes.bool,
   errors: PropTypes.shape({
-    errorText: PropTypes.string.isRequired,
+    errorText: PropTypes.array.isRequired,
     errorTitle: PropTypes.string,
     variant: PropTypes.string.isRequired,
   }).isRequired,