[Tails-dev] Please review'n'merge test/fix-iso-reporting

Hi,

branch: test/fix-iso-reporting
ticket: Feature #5829 <https://labs.riseup.net/code/issues/5829>

Candidate for Tails 0.20.1 or Tails 0.21, whichever comes first, so
please merge into devel and stable once 0.20 is out.

dcd7dd7 Move @old_iso hook to a later point.
3da8077 Add missing tag to hook.
df82c5c Print which ISOs are used in the appropriate hooks.

Cheers!