Included deb.torproject.org APT key will not be valid in 3 months

Since some time yesterday, step "the keys trusted by APT are valid for the next 3 months" of scenario "The included APT repository keys are up-to-date" consistently fails with:

The following APT key(s) will not be valid in 3 months: A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89, 2265EB4CB2BF88D900AE8D1B74A941BA219EC810.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/checks.rb:29:in `assert_all_keys_are_valid_for_n_months'
./features/step_definitions/checks.rb:8:in `/^the keys trusted by APT are valid for the next (\d+) months$/'
features/keys.feature:11:in `Then the keys trusted by APT are valid for the next 3 months'

See for example: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4788/