fix build runner when using with latest Zig nightly version

Techatrix · Techatrix · commit 9ab8bafad53b · 2025-10-31T08:02:29.000+01:00
diff --git a/src/build_runner/build_runner.zig b/src/build_runner/build_runner.zig
@@ -757,6 +757,7 @@ fn workerMakeOneStep(
         .watch = true,
         .gpa = gpa,
         .web_server = null,
+        .unit_test_timeout_ns = null,
     }));
 
     if (run.watch) {
