feat(ambient): enroll sd-webui-rcom in the ambient dataplane - #5

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: docker/login-action@v3, docker/metadata-action@v5, docker/setup-buildx-action@v3, Infisical/secrets-action@v1.0.7. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/