Stop the JSON API before plugins delete their resource providers - #6

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, msys2/setup-msys2@40677d36a502eb2cf0fb808cc9dec31bf6152638. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/