Add regression test for DropTopology with layer update trigger
Please make sure to also have a ticket filed on https://trac.osgeo.org/postgis and cross-link it to your merge request.
Related to #5026
The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The first breaking change window begins 2024-04-22 09:00UTC and ends 2024-04-24 22:00UTC.
Please make sure to also have a ticket filed on https://trac.osgeo.org/postgis and cross-link it to your merge request.
Related to #5026