warning: postgresql: argument enableSystemd is deprecated, please use systemdSupport instead.

[sgillespie]

Describe the bug

nixpkgs-unstable has changed enableSystemd to systemdSupport. It's not clear to me how this can be handled, since users will be
on different versions of nixpkgs.

Currently, this is only a harmless warning:

nix build .#x86_64-unknown-linux-musl:...
<-- Snip -->
trace: warning: postgresql: argument enableSystemd is deprecated, please use systemdSupport instead.

Steps To Reproduce

Try to build any package that depends on postgresql-libpq with musl on a sufficiently recent nixpkgs-unstable