Update Docker to v29.8.0 and Buildx to v0.37.0

[github-actions]

Automated Docker and Buildx version update:

• Docker: 29.7.2 → 29.8.0
• Buildx: 0.36.1 → 0.37.0

This update ensures we're using the latest stable Docker and Buildx versions for security and performance improvements.

Release notes:

• Docker: https://docs.docker.com/engine/release-notes/
• Buildx: https://github.com/docker/buildx/releases

Next steps:

• Review the version changes
• Verify container builds work as expected
• Test multi-platform builds if applicable
• Merge when ready

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Autogenerated by Docker/Buildx Version Upgrade Workflow