Lift url size restriction for spo metadata url on registration certificate

[CarlosLopezDeLara]

Lift url size restriction for spo metadata url on registration certificate on pair with IntersectMBO/cardano-ledger#3941 new limit is 128 bytes.

Perhaps update the spec?

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 120 days.

[github-actions]

This issue was closed because it has been stalled for 190 days with no activity.

[github-actions]

This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 100 days.