Update docker/setup-buildx-action action to v3.12.0

Author: wyrihaximus-net-renovate-bot[bot]

.github/workflows/ci.yml

@@ -297,7 +297,7 @@ jobs:
         uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
         with:
           install: true
           driver-opts: network=host