fix: disabled build tests for jackett due to failing year rollover tests upstream

modules/nixos-modules/server/jackett/default.nix

@@ -2,4 +2,16 @@
   imports = [
     ./impermanence.nix
   ];
+
+  config = {
+    nixpkgs.overlays = [
+      # Disable jackett tests due to date-related test failures
+      # (ParseDateTimeGoLangTest expects 2024-09-14 but gets 2025-09-14 due to year rollover logic)
+      (final: prev: {
+        jackett = prev.jackett.overrideAttrs (oldAttrs: {
+          doCheck = false;
+        });
+      })
+    ];
+  };
 }