generic-linux-gpu: add a news entry

modules/misc/news/2025/10/2025-10-26_08-19-48.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+{
+  time = "2025-10-26T07:19:48+00:00";
+  condition = pkgs.stdenv.hostPlatform.isLinux;
+  message = ''
+    A new module is available: `targets.genericLinux.gpu`
+
+    This module provides integration of GPU drivers for non-NixOS systems. It is a
+    simpler alternative to the existing `targets.genericLinux.nixGL` module. See the
+    Home Manager user manual for more information.
+  '';
+}