Update v3.md

Author: DavidMStraub

docs/install_setup/v3.md

@@ -7,7 +7,7 @@ Gramps Web is **not yet compatible** with Gramps 6.0. If you are using Gramps We
 This page will be updated accordingly.
 
 !!! info
-    Last updated: March 19, 2025
+    Last updated: March 20, 2025
 
 
 ## Overview of the release status