Merge pull request #2934 from crazy-max/update-buildkit-dockerfile

dockerfile: update buildkit to 0.19.0

Author: crazy-max

Dockerfile

@@ -10,7 +10,7 @@ ARG DOCKER_VERSION_ALT_26=26.1.3
 ARG DOCKER_CLI_VERSION=${DOCKER_VERSION}
 ARG GOTESTSUM_VERSION=v1.12.0
 ARG REGISTRY_VERSION=2.8.3
-ARG BUILDKIT_VERSION=v0.19.0-rc2
+ARG BUILDKIT_VERSION=v0.19.0
 ARG UNDOCK_VERSION=0.9.0
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx