[CI] Add PHP 8.3

.woodpecker/.phpunit.yml

@@ -8,6 +8,8 @@ matrix:
       PHP_VERSION: 8.1.23
     - PHP_MAJOR_VERSION: 8.2
       PHP_VERSION: 8.2.11
+    - PHP_MAJOR_VERSION: 8.3
+      PHP_VERSION: 8.3.3
 
 # This forces PHP Unit executions at the "opensocial" labeled location (because of much more power...)
 labels: