AD should be able to change the status of an erratum

[evyncke]

Describe the issue / enhancement
Once an erratum has been classified, it is not possible for an AD to change its status. E.g., https://errata.rfc-editor.org/eid8925/ cannot change to "verified"

Link(s) to relevant page(s)

• https://errata.rfc-editor.org/eid8925/