Overview of changes
- Allow X11 clients to run as root
- Color the output only when displaying on a terminal
- Don't rely on user D-Bus to track time zone configuration
- Enable running minikube on Silverblue
- Expose the host's /boot inside the container at /run/host
- Fix missing terminfo warning for Ubuntu containers
- Make locate(1) work inside toolbox containers
- Make pseudo-terminal devices be owned by the 'tty' group
- Rework test to check if a toolbox container started successfully
- Run a login shell when falling back to Bash during 'enter'