Bump docker/setup-buildx-action from 4.0.0 to 4.3.0 - #4092

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: proudust/gh-describe@80412be8ce0e77d8afba6b340e34790bc772aa45. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/