ci: add generating sboms in docker workflow (#124)

Author: mac641

.github/workflows/docker.yaml

@@ -53,10 +53,14 @@ jobs:
         make test
         make client
         make server
+    
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
 
     - name: Build and push image
       uses: docker/build-push-action@v6
       with:
         context: .
         push: true
+        sbom: true
         tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.tag }}