ci: add booter ansible integration to devvm

What does this MR do?

This MR adds Ansible integration for the booter service, plus fixes few bugs I noticed:

• Update MOTD script (20-booter-status) with new path
• Update systemd service file with new path and CAROOT environment variable
• Update booter path from /home/dev/container-registry/devvm/go/booter to /home/dev/devvm/devvm/go/booter
• Enable booter build task (compile Go binary using mise)
• Upload booter systemd service file
• Enable booter service at boot

Note: We are for now checking out booter from my private branch. In order to fix this, I need to merge !2630 first, and this will take some time.

Related to gitlab-org/maintainers/container-registry/placeholder#1

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