The Koha 21.11.24 minor point release is missing a db_revs file to increment the Koha version number in the database. https://git.koha-community.org/Koha-community/Koha/commit/df3374ec2f47c2de1ca0ccb0bdbd967d5d8dc4c7 This means after upgrading to the 21.11.24 koha-common package on a server and upgrading the schema, Koha will still re-direct to the Koha web installer.
That would be my mistake, I created the revs file initially but never actually commited it to the branch :) have fixed this for now and rolled it into the 21.11.25 release
Created attachment 158165 [details] [review] Bug 35146 - Missing db_revs file for Koha 21.11.24 Adding missing revs file.