Bump brace-expansion - #2

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, docker/metadata-action@v5, docker/setup-buildx-action@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

LegacyKeyValueFormat: "ENV key=value" should be used instead of legacy "ENV key value" format More info: https://docs.docker.com/go/dockerfile/rule/legacy-key-value-format/