`Node.js 19` is deprecated. Bump to a new version based on `Node.js 20`.
This fixes all remaining sites.
Fixes#9245
Signed-off-by: Greg Kurz <groug@kaod.org>
This PR ensures that the self hosted runner is prepared by taking
necesary actions before running the workflow. The script prepare_runner.sh
checks the following:
1. Ensure that containerd/docker is up and running
2. Make sure that the repository workspace is cleaned up and has no conflicts
3. Remove/cleanup any leftover files from the previous runs
Fixes: #9262
Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>