Update robocupssl/ssl-game-controller Docker tag to v3.18.1

Author: renovate[bot]

docker-compose.yaml

@@ -12,7 +12,7 @@ services:
     restart: on-failure
 
   ssl-game-controller:
-    image: robocupssl/ssl-game-controller:3.18.0@sha256:d15d1ea336849e420386cf37bfc68ae8cac3c793225e272341010de03aeebc4a
+    image: robocupssl/ssl-game-controller:3.18.1@sha256:467863fda5175a6678e77eab98cae6195576005473383e926fe7c8d9f94f6993
     command: [ "-address", "localhost:8081" ]
     network_mode: host
     restart: on-failure