chore(deps): update dpage/pgadmin4 docker tag to v9.6.0

Author: renovate[bot]

stack/docker-compose.yml

@@ -20,7 +20,7 @@ services:
 
   # see https://event-driven.io/en/automatically_connect_pgadmin_to_database/
   pg-admin:
-    image: dpage/pgadmin4:9.0.0@sha256:1b2f1ecb93ed2c20530703f77acdfa0da8c2470a4e17044504057cea2d6b4fac
+    image: dpage/pgadmin4:9.6.0@sha256:2c7d73e13bd6c30b1d53e4c25d0d6d81adbd0799c4f4d6a09efc5d68fca5d16d
     environment:
       - [email protected]
       - PGADMIN_DEFAULT_PASSWORD=admin