Bump docker/setup-buildx-action from 3.0.0 to 3.3.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.0.0 to 3.3.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.0.0...v3.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/multibuild.yml

@@ -32,7 +32,7 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
       - name: Buildx Setup
         id: buildx
-        uses: docker/setup-buildx-action@v3.0.0
+        uses: docker/setup-buildx-action@v3.3.0
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3