whois: bump to version 5.3.0

- libidn1 support has been removed:
  https://github.com/rfc1036/whois/commit/5d60bbe102b71c03b9a46eb0a7aada3532bd4481
- Add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2 files changed