Release v5.6.0

What's Changed

• New CQFD_NO_USER_SSH_CONFIG environment variable to disable forwarding user ssh config independently of the /etc/ssh directory.
• Revert to bash as the default shell.
• Forward .gitconfig to container, with environment variable CQFD_NO_USER_GIT_CONFIG to disable this behavior
• Add a --verbose option
• Improve Bash completions compatibility with zsh.

Full Changelog: v5.5.0...v5.6.0