Please update prefix_ok()

[yuwata]

Recently we have introduced endX by systemd/systemd#24265.
Maybe the following lines need to be updated?

prefixdevname/src/util.rs

Lines 100 to 104 in 8ca3b91

	pub fn prefix_ok<T: AsRef<str>>(prefix: &T) -> bool {
	// List of forbidden prefixes include kernel's default prefix (eth), biosdevname's prefix (em)
	// and several other prefixes used by udev's net_id built-in
	// https://github.com/systemd/systemd/blob/master/src/udev/udev-builtin-net_id.c#L20
	let forbidden = vec!["eth", "eno", "ens", "enb", "enc", "enx", "enP", "enp", "env", "ena", "em"];