Publish only the distroless Flood runtime as latest

.gitea/workflows/build-push.yml

@@ -1,4 +1,4 @@
-name: Build and Push Custom Flood Image
+name: Build and Push Distroless Flood
 
 on:
   workflow_dispatch:
@@ -32,6 +32,7 @@ jobs:
           git -C flood-repo fetch --depth=1 https://github.com/jesec/flood.git "refs/tags/$FLOOD_VERSION"
           git -C flood-repo checkout --detach FETCH_HEAD
           cp Dockerfile.client flood-repo/Dockerfile.client
+          cp build/runtime-root.py flood-repo/.ci-runtime-root.py
           cp tests/startup.cjs flood-repo/.ci-startup.cjs
           printf '\n.git\n.github\n.env\n' >> flood-repo/.dockerignore