Close a project
gh project close [<number>] [flags]
--format <string>-q,
--jq <expression>--owner <string>-t,
--template <string>--undo# Close project "1" owned by monalisa
$ gh project close 1 --owner monalisa
# Reopen closed project "1" owned by github
$ gh project close 1 --owner github --undo