chore(deps): update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/continuous-delivery.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Checkout Project
         uses: actions/checkout@v2
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v1.7.0
+        uses: docker/setup-buildx-action@v4.0.0
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1.14.1
         with: