Bump tornado from 6.5.8 to 6.5.9 - #143

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Unexpected input(s) 'auditOn', 'publishDeployment', valid inputs are ['entryPoint', 'args', 'config', 'publishToken']