* Revert "CI: separate image for docker cache (#30413)" This reverts commit ce7c4abe37343b78c3a0da66ec784fd71a46e53a. * Revert "CI: enable buildx for registry cache (#30473)" This reverts commit 528b1be03ac407184f19b8d4901cdc5a7c96e7eb. old-commit-hash: 291c04163a0724ce67aca6188cab092d6cecad02