ci: add generating sboms to docker workflow (#94)

Author: mac641

.github/workflows/docker.yaml

@@ -53,10 +53,14 @@ jobs:
       run: |
         make test
         make
+    
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
 
     - name: Push image
       uses: docker/build-push-action@v6
       with:
         context: .
         push: true
-        tags: ${{ steps.meta.outputs.tags }}
+        sbom: true
+        tags: ${{ steps.meta.outputs.tags }}