Merge pull request #304 from crazy-max/buildx-0.26.1

dockerfile: update buildx 0.26.1

Author: crazy-max

Dockerfile

@@ -5,7 +5,7 @@ ARG ALPINE_VERSION=3.22
 ARG XX_VERSION=1.6.1
 
 ARG BUILDKIT_VERSION=v0.23.2
-ARG BUILDX_VERSION=v0.26.0
+ARG BUILDX_VERSION=v0.26.1
 ARG REGISTRY_VERSION=v2.8.3
 
 # named contexts