use static pos for payment errors so they push out other content: (https://github.com/woocommerce/woocommerce-blocks/pull/2977)

- default styling for validation errors is absolute
- this requires the layout provides appropriate space for errors
- payment form is too compact to provide room for errors,
  - especially when checkout is narrow due to window or theme

plugins/woocommerce-blocks/assets/js/base/components/payment-methods/style.scss

@@ -91,6 +91,10 @@ $border-radius: 5px;
 .wc-block-card-elements {
 	display: flex;
 	width: 100%;
+
+	.wc-block-components-validation-error {
+		position: static;
+	}
 }
 
 .wc-block-gateway-container {