chore(deps): update docker/build-push-action action to v7

Author: renovate[bot]

.github/workflows/build_containers.yml

@@ -61,7 +61,7 @@ jobs:
             type=ref,event=pr
 
       - name: Build and push
-        uses: docker/build-push-action@v6.19.2
+        uses: docker/build-push-action@v7.0.0
         with:
           provenance: false
           file: "./Sample-Server/Dockerfile"