v1.4.0

Added

• Add database list, database show,database plans, and database types commands.
• Add loadbalancer list and loadbalancer show commands.
• Add db and lb aliases to database and loadbalancer, respectively.

Changed

• Color server state in server list output similarly than in server show output.
• Update Go version to 1.18
• Update upcloud-go-api to v4.8.0