Version 14.1.0+dfsg-3 of groonga is marked for autoremoval from testing on Thu 19 Dec 2024. It depends (transitively) on munin, affected by #1085520, #1085521. You should try to prevent the removal by fixing these RC bugs.
Among the 6 debian patches
available in version 14.1.0+dfsg-3 of the package,
we noticed the following issues:
2 patches
where the metadata indicates that the patch has not yet been forwarded
upstream. You should either forward the patch upstream or update the
metadata to document its real status.