[OpenID-Specs-eKYC-IDA] Issue #1284: ISO 3166-1:2013 is in withdrawn status (openid/ekyc-ida)

[mhainework]

New issue 1284: ISO 3166-1:2013 is in withdrawn status
https://bitbucket.org/openid/ekyc-ida/issues/1284/iso-3166-1-2013-is-in-withdrawn-status

Mark Haine:

Consider updating the normativce reference to the current version

Spec currently references withdrawn spec [https://www.iso.org/standard/63547.html](https://www.iso.org/standard/63547.html)

Current version is at - [https://www.iso.org/standard/72484.html](https://www.iso.org/standard/72484.html)