Merge pull request #3578 from crazy-max/buildkit-0.26.3

dockerfile: update buildkit to v0.26.3

Author: tonistiigi

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
           - master
           - latest
           - buildx-stable-1
-          - v0.26.2
+          - v0.26.3
           - v0.25.2
           - v0.24.0
         worker:

Dockerfile

@@ -11,7 +11,7 @@ ARG DOCKER_VERSION_ALT_27=27.5.1
 ARG DOCKER_CLI_VERSION=${DOCKER_VERSION}
 ARG GOTESTSUM_VERSION=v1.13.0
 ARG REGISTRY_VERSION=3.0.0
-ARG BUILDKIT_VERSION=v0.26.2
+ARG BUILDKIT_VERSION=v0.26.3
 ARG COMPOSE_VERSION=v2.39.1
 ARG UNDOCK_VERSION=0.9.0