[Tails-testers] [Call for testing] Tails 4.15

Hi,

the candidate images of Tails 4.15 are ready. They did not go through
our quality assurance process yet.

You can get them via:

- BitTorrent (attached)
- https://tails.osuosl.org/stable/tails-amd64-4.15/

Please test and report back regressions by Tuesday, noon UTC.

Thanks in advance!