Bump docker/setup-buildx-action from 2.1.0 to 2.2.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.1.0 to 2.2.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v2.1.0...v2.2.1)

---
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>

.github/workflows/docker-hub-build-push-on-push.yml

@@ -28,7 +28,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
         
       - name: Install buildx
-        uses: docker/setup-buildx-action@v2.1.0
+        uses: docker/setup-buildx-action@v2.2.1
         
       - name: Login to docker hub
         uses: docker/login-action@v2.1.0

.github/workflows/docker-hub-build-push-on-release.yml

@@ -27,7 +27,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
         
       - name: Install buildx
-        uses: docker/setup-buildx-action@v2.1.0
+        uses: docker/setup-buildx-action@v2.2.1
         
       - name: Login to docker hub
         uses: docker/login-action@v2.1.0