Fill in the `@param` types for the args in `WP_Text_Diff_Renderer_Table->interleave_changed_lines()`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30192 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/wp-diff.php

@@ -309,9 +309,9 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 	 *
 	 * @since 2.6.0
 	 *
-	 * @param unknown_type $orig
-	 * @param unknown_type $final
-	 * @return unknown
+	 * @param array $orig
+	 * @param array $final
+	 * @return array
 	 */
 	public function interleave_changed_lines( $orig, $final ) {