Support OPA v1 'if' rules as single rules - #23

The deploy step encountered an error: The process '/usr/bin/git' failed with exit code 128 ❌

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3, actions/setup-node@v3, JamesIves/github-pages-deploy-action@v4.4.1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/