chore: updated tested up to

Author: [email protected]

readme.txt

@@ -2,7 +2,7 @@
 Contributors: bfintal, gambitph
 Tags: interaction, interactivity, trigger, blocks, gutenberg
 Requires at least: 6.6.4
-Tested up to: 6.8.3
+Tested up to: 6.9
 Requires PHP: 8.0
 Stable tag: 1.3.1
 License: GPLv2 or later