- Add new Kubernetes manifests for `renovate-bot` in `k8s-manifests/` directory
- The Kubernetes manifests include a ConfigMap for `renovate-bot` configuration and a CronJob definition
- The `renovate-bot` now runs as a Kubernetes CronJob scheduled daily
- Add new `start_renovate_bot.sh` script in `bin/` directory for manual job creation
- Update README and add new README.renovate
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