docs(readme): update onnx example import path and cache location (#2607)

Jeffrey Guan

2025-07-23 8316fc41973b89267a70681a7afe4e947e0ba251

 runtime/onnxruntime/third_party/glog/src/utilities.cc

@@ -292,8 +292,6 @@
  return getpid();  // Linux:  getpid returns thread ID when gettid is absent
#elif defined GLOG_OS_WINDOWS && !defined GLOG_OS_CYGWIN
  return static_cast<pid_t>(GetCurrentThreadId());
#elif defined GLOG_OS_OPENBSD
  return getthrid();
#elif defined(HAVE_PTHREAD)
  // If none of the techniques above worked, we use pthread_self().
  return (pid_t)(uintptr_t)pthread_self();