termscp: add update script

pkgs/tools/networking/termscp/default.nix

@@ -11,6 +11,7 @@
   Foundation,
   Security,
   samba,
+  nix-update-script,
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -56,6 +57,10 @@ rustPlatform.buildRustPackage rec {
   # Requires network access
   doCheck = false;
 
+  passthru = {
+    updateScript = nix-update-script { };
+  };
+
   meta = {
     changelog = "https://github.com/veeso/termscp/blob/v${version}/CHANGELOG.md";
     description = "Feature rich terminal UI file transfer and explorer with support for SCP/SFTP/FTP/S3/SMB";