5.1.0

• Minor version update. API is considered stabile
• Remove unneeded unused configuration priority
• Don't show dnf5-command hint for unknown options, only commands
• Add hint to install missing command with dnf5-command()
• Add dnf5-command() provides to dnf5
• Add dnf5-command() provides to dnf5-plugins
• Document several methods as deprecated
• Fix core dump on --refresh switch usage
• Add repoquery -l/--list aliases for --files for rpm compat
• Add vendor attr to package in dnfdaemon-server
• Document dnf5-plugins package in man pages