Update aria-props.md to link to the correct doc

The current one 404s

Author: csi-lk

docs/rules/aria-props.md

@@ -1,6 +1,6 @@
 # aria-props
 
-Elements cannot use an invalid ARIA attribute. This will fail if it finds an `aria-*` property that is not listed in [WAI-ARIA States and Properties spec](https://www.w3.org/TR/wai-aria/states_and_properties#state_prop_def).
+Elements cannot use an invalid ARIA attribute. This will fail if it finds an `aria-*` property that is not listed in [WAI-ARIA States and Properties spec](https://www.w3.org/WAI/PF/aria-1.1/states_and_properties).
 
 ## Rule details