Bump the tested up to version.

Author: johnbillion

.github/workflows/acceptance-tests.yml

@@ -19,14 +19,14 @@ jobs:
   acceptance:
     strategy:
       matrix:
-        wp: ['6.3','5.6','nightly']
+        wp: ['6.4','5.6','nightly']
         php: ['8.0','7.4']
         include:
-          - wp: '6.3'
+          - wp: '6.4'
             php: '8.1'
           - wp: 'nightly'
             php: '8.1'
-          - wp: '6.3'
+          - wp: '6.4'
             php: '8.2'
           - wp: 'nightly'
             php: '8.2'

readme.md

@@ -2,7 +2,7 @@
 
 Contributors: johnbillion, scompt  
 Tags: cron, wp-cron, crontrol, debug  
-Tested up to: 6.3  
+Tested up to: 6.4  
 Stable tag: 1.16.0  
 Donate link: https://github.com/sponsors/johnbillion