This was introduced in 9c10a9c9ac, which added
use of the network.ParsePortRange.All method, which uses an iterator and
requires go1.23;
opts/swarmopts/port.go:172:18: cannot range over pr.All() (value of func type iter.Seq[network.Port]): requires go1.23 or later (-lang was set to go1.16; check go.mod)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>