chore: bump docker/setup-buildx-action from 3.11.1 to 3.12.0 in the actions group (#34)

Bumps the actions group with 1 update:
[docker/setup-buildx-action](https://github.com/docker/setup-buildx-action).

Updates `docker/setup-buildx-action` from 3.11.1 to 3.12.0

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/docker-build.yaml

@@ -50,7 +50,7 @@ jobs:
           persist-credentials: false
 
       - uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130  # v3.7.0
-      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435  # v3.11.1
+      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f  # v3.12.0
 
       - name: Log in to ghcr.io
         run: |