This should not be done normally but as the config isn't yet done and isn't used in a "production" environment it should be fine.
The main motivation is that `services.seerr` uses more logical `/var/lib/seerr` for config instead of `/var/lib/jellyseerr/config`.
Other changes can be found here: https://nixos.org/manual/nixos/stable/release-notes#sec-release-26.05-incompatibilities.