chore: use hyprmcp dex for who-am-i demo (#74)

Signed-off-by: Philip <[email protected]>

Author: pmig

examples/who-am-i/docker-compose.yaml

@@ -2,7 +2,7 @@ name: who-am-i-gateway
 
 services:
   dex:
-    image: ghcr.io/dexidp/dex:v2.43.1-alpine
+    image: ghcr.io/hyprmcp/dex:2.44.0-alpine
     command: ["dex", "serve", "/config.yaml"]
     ports:
       - 5556:5556