sysutils/appjail-devel: Update to g20230618
- Add portable option in the export+root installation method
- Fix typo ${fetch_args} -> ${fetch_cmd} in makejail
- Add conflicts for installation methods in quick
- Add portable option in the import+root installation method
- Add image command
- Add FROM instruction
- Fix image when ENABLE_ZFS=1
- Add check for when FROM is used more than once
- Escape slash character in some commands
- Escape common characters in EXEC
- Escape command substitution beginning with the dolar sign
- Avoid escaping command substitution in some parts, as it has no special meaning