spelling: incorrect

This test is showing that random content will trigger an error.

The acceptable terms are `ascending` and `descending`.

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

test/validator/samples/a11y-aria-proptypes-token/input.svelte

@@ -1,5 +1,5 @@
 <div aria-sort="" />
-<div aria-sort="descnding" />
+<div aria-sort="incorrect" />
 <div aria-sort />
 <div aria-sort={true} />
 <div aria-sort={"false"} />