Always add `latest` tag to the released FDW images to GHCR

[pskrbasu]

Always add the latest tag to the released FDW images to GHCR (only for final releases)

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 30 days.

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 30 days.