Merge pull request #3180 from crazy-max/dockerfile-update

dockerfile: update docker to 28.1.1 and buildkit to 0.21.1

Author: tonistiigi

.github/workflows/build.yml

@@ -54,9 +54,9 @@ jobs:
           - master
           - latest
           - buildx-stable-1
+          - v0.21.1
           - v0.20.2
           - v0.19.0
-          - v0.18.2
         worker:
           - docker-container
           - remote

Dockerfile

@@ -5,13 +5,13 @@ ARG ALPINE_VERSION=3.21
 ARG XX_VERSION=1.6.1
 
 # for testing
-ARG DOCKER_VERSION=28.1.0
+ARG DOCKER_VERSION=28.1.1
 ARG DOCKER_VERSION_ALT_27=27.5.1
 ARG DOCKER_VERSION_ALT_26=26.1.3
 ARG DOCKER_CLI_VERSION=${DOCKER_VERSION}
 ARG GOTESTSUM_VERSION=v1.12.0
 ARG REGISTRY_VERSION=3.0.0
-ARG BUILDKIT_VERSION=v0.21.0
+ARG BUILDKIT_VERSION=v0.21.1
 ARG UNDOCK_VERSION=0.9.0
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx