Don't push image, produce outputs.

Author: mrdziuban

.github/workflows/ci.yml

@@ -41,7 +41,10 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          push: false
           platforms: linux/amd64,linux/arm64
+          outputs: type=local,dest=./output
+
+      - name: List files
+        id: list-files
+        run: find ./output -type f