chore: upgrade go and dependencies - #190

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: docker/build-push-action@0a97817b6ade9f46837855d676c4cca3a2471fc9, docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1, docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7, docker/setup-buildx-action@885d1462b80bc1c1c7f0b00334ad271f09369c55. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/