Bump docker/setup-buildx-action from 2.8.0 to 2.9.1 (#716)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.8.0 to 2.9.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@16c0bc4...4c0219f)

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

.github/workflows/docker-main.yaml

@@ -33,7 +33,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@16c0bc4a6e6ada2cfd8afd41d22d95379cf7c32a
+        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1
 
       - name: Login to DockerHub
         uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc

.github/workflows/docker-version-branches.yaml

@@ -33,7 +33,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@16c0bc4a6e6ada2cfd8afd41d22d95379cf7c32a
+        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1
 
       - name: Login to DockerHub
         uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc