[Backport release-25.11] podman: fix cross compilation build (#471246)

Author: SuperSandro2000

pkgs/by-name/po/podman/package.nix

@@ -5,14 +5,14 @@
   pkg-config,
   installShellFiles,
   buildGoModule,
+  buildPackages,
   gpgme,
   lvm2,
   btrfs-progs,
   libapparmor,
   libseccomp,
   libselinux,
   systemd,
-  go-md2man,
   nixosTests,
   python3,
   makeBinaryWrapper,
@@ -70,7 +70,6 @@ buildGoModule (finalAttrs: {
 
   nativeBuildInputs = [
     pkg-config
-    go-md2man
     installShellFiles
     makeBinaryWrapper
     python3
@@ -89,6 +88,7 @@ buildGoModule (finalAttrs: {
   env = {
     HELPER_BINARIES_DIR = "${placeholder "out"}/libexec/podman"; # used in buildPhase & installPhase
     PREFIX = "${placeholder "out"}";
+    GOMD2MAN = "${buildPackages.go-md2man}/bin/go-md2man";
   };
 
   buildPhase = ''