Update .devcontainer/devcontainer.json

Co-authored-by: Copilot <[email protected]>

Author: kevinbackhouse

.devcontainer/devcontainer.json

@@ -18,7 +18,7 @@
     },
     "ghcr.io/devcontainers/features/docker-in-docker:2": {
       "version": "latest"
-    },
+    }
   },
   // Configure tool-specific properties
   "customizations": {