chore(deps): update us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox docker tag to v0.13.0

Author: renovate[bot]

registry/genai-toolbox/spec.yaml

@@ -30,7 +30,7 @@ tags:
   - toolbox
   - genai
   - mcp-server
-image: us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:0.12.0
+image: us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:0.13.0
 permissions:
   network:
     outbound: