Fix default config for steamkit-service path

roles/custom/matrix-bridge-steam/templates/config.yaml.j2

@@ -16,7 +16,7 @@ network:
     # Maximum number of conversations to sync on startup
     conversation_sync_limit: 20
 
-    steam_bridge_path: ./SteamBridge/bin/Release/net8.0
+    steam_bridge_path: ./
     steam_bridge_address: localhost:50051
     steam_bridge_auto_start: true
     steam_bridge_startup_timeout: 30