Release ModCDP 0.0.13

[pirate]

Summary

• bump ModCDP packages to 0.0.13
• fix service-worker custom command result unwrapping across JS/Python/Go
• make launched-browser shutdown happen before releasing reverse transports

Local verification

• pnpm exec prek run --all-files
• JS broad + serialized connector vitest suites
• Python broad + serialized connector unittest suites
• Go broad + serialized connector test suites
• pnpm run build && uv --directory python build
• npm pack --ignore-scripts --dry-run