Unpin buildx version

Author: danielhollas

.github/workflows/build.yml

@@ -49,8 +49,6 @@ jobs:
 
             - name: Set up Docker Buildx
               uses: docker/setup-buildx-action@v3
-              with:
-                  version: v0.29.1
 
             - name: Login to GitHub Container Registry 🔑
               uses: docker/login-action@v3