Backup an EdgeDB database to a file.
edgedb [connection-option...] dump [--all] pathSee the Common Connection Options.  The dump command backups
                            the database it is connected to.
The name of the file to backup the database into.
Dump all databases and the server configuration using the directory specified by the path.
Choose dump format. For normal dumps this parameter should be omitted. For --all only --format=dir is required.