OvmfPkg/CloudHv: Activate Qemu's fw_cfg device - #9

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: github/issue-labeler@v3.4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/