Allow removing devices that are no longer on the gateway - #68

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. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

The repository does not contain brands assets at custom_components/powertag_gateway/brand/icon.png. Falling back to checking the brands repository.