Multi-mouse: support any Logitech HID++ mouse, several at once - #1

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830, actions/checkout@11d5960a326750d5838078e36cf38b85af677262, swift-actions/setup-swift@7ca6abe6b3b0e8b5421b88be48feee39cbf52c6a. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/