Comment the added QEMU section

Author: Kellegram

.github/workflows/docker-publish.yml

@@ -42,7 +42,9 @@ jobs:
       - name: Install cosign
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v3
-
+      
+      # Setup QEMU to allow building multi-platform images
+      # https://docs.docker.com/build/ci/github-actions/multi-platform/
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3