Bump to gember/event-sourcing:^0.9

Author: Jeroen de Graaf

composer.json

@@ -22,7 +22,7 @@
     ],
     "require": {
         "php": "^8.3",
-        "gember/event-sourcing": "^0.8",
+        "gember/event-sourcing": "^0.9",
         "gember/identity-generator-symfony": "^0.8",
         "gember/message-bus-symfony": "^0.8",
         "gember/rdbms-event-store-doctrine-dbal": "^0.8",