ci: update buildkit release version in build pipeline

Signed-off-by: Justin Chadwell <me@jedevc.com>
(cherry picked from commit c1ab55a3f2)
Signed-off-by: Justin Chadwell <me@jedevc.com>

.github/workflows/build.yml

@@ -22,7 +22,7 @@ on:
 
 env:
   BUILDX_VERSION: "v0.10.0"
-  BUILDKIT_IMAGE: "moby/buildkit:v0.11.0"
+  BUILDKIT_IMAGE: "moby/buildkit:v0.11.1"
   REPO_SLUG: "docker/buildx-bin"
   DESTDIR: "./bin"