Your software stores are a bad idea
There is significant effort involved to get your apt or dnf commands always have a consistent set of servers to talk to.
That's why running separate "software stores" is a bad idea:
That way more admins need to learn how to run high availability services for dubious business opportunities to "later" monetize services. Services that nobody cares to pay for and thus opportunities that never materialize. But every company wants to find that out again. Because if Apple could do it, why shouldn't Canonical be able to do it? $$$!1!!
So, can't update Firefox on Ubuntu 22.04 right now.
At least there is https://status.snapcraft.io/:
So I can check back tomorrow if I can update my web browser ...
Update
09.11.2022 12:15 CET
The Snapcraft distribution system seems quite flaky, this is the downtime log:
Bonus points for the bad client side implementation:
dl@laptop:~$ sudo snap refresh
All snaps up to date.
# ^this is a lie, just close Firefox and ...
dl@laptop:~$ sudo snap refresh
firefox 106.0.5-1 from Mozilla** refreshed