build01: add zpool import workaround

hosts/build01/configuration.nix

@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ config, inputs, ... }:
 {
   imports = [
     inputs.srvos.nixosModules.hardware-hetzner-online-amd
@@ -8,6 +8,9 @@
     inputs.self.nixosModules.community-builder
   ];
 
+  # the default zpool import services somehow times out while this import works fine?
+  boot.initrd.systemd.services.zfs-import-zroot.serviceConfig.ExecStartPre = "${config.boot.zfs.package}/bin/zpool import -N -f zroot";
+
   # Emulate riscv64 until we have proper builders
   boot.binfmt.emulatedSystems = [ "riscv64-linux" ];