Bump docker/setup-buildx-action in the github-actions group (#722)

Bumps the github-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
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.11.1...v3.12.0)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 3.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/on_update.yml

@@ -158,7 +158,7 @@ jobs:
             python-version: "3.12"
             docker-target-build: "mypyc"
     steps:
-      - uses: docker/setup-buildx-action@v3.11.1
+      - uses: docker/setup-buildx-action@v3.12.0
       - uses: docker/setup-compose-action@v1.2.0
       - uses: actions/checkout@v6
       - run: |