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

Author: renovate[bot]

.github/workflows/reusable-builder-deb.yml

@@ -80,7 +80,7 @@ jobs:
         uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
         id: buildx
         with:
           install: true