ci: update buildx release version in build pipeline

Signed-off-by: Justin Chadwell <me@jedevc.com>

.github/workflows/build.yml

@@ -21,7 +21,7 @@ on:
       - 'docs/**'
 
 env:
-  BUILDX_VERSION: "v0.10.0-rc3"
+  BUILDX_VERSION: "v0.10.0"
   BUILDKIT_IMAGE: "moby/buildkit:v0.11.0"
   REPO_SLUG: "docker/buildx-bin"
   DESTDIR: "./bin"