Version 0.19.0-2 of prometheus-blackbox-exporter is marked for autoremoval from testing on Thu 01 Sep 2022. It depends (transitively) on golang-github-prometheus-exporter-toolkit, affected by #1013578. You should try to prevent the removal by fixing these RC bugs.
vcswatch reports that
this package seems to have a new changelog entry (version
0.19.0-3, distribution
unstable) and new commits
in its VCS. You should consider whether it's time to make
an upload.