chore(deps): update docker/setup-buildx-action action to v3.12.0

Author: renovate[bot]

.github/workflows/docker.yml

@@ -28,7 +28,7 @@ jobs:
       uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+      uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
     - name: Login to Docker Hub
       if: github.event_name != 'pull_request'