Added note about typed class constants in Date extension

jorgsowa · jorgsowa · commit 65e2211cc7a5 · 2023-10-07T00:00:39.000+02:00
diff --git a/UPGRADING b/UPGRADING
@@ -100,6 +100,9 @@ PHP 8.4 UPGRADE NOTES
 9. Other Changes to Extensions
 ========================================
 
+- Date:
+  . The class constants are typed now.
+
 ========================================
 10. New Global Constants
 ========================================
