Workaround for v8 crash (#212)

v8 destroys the heap profiler after the heap spaces which can cause crashes:
https://github.com/nodejs/node/blob/v24.0.1/deps/v8/src/heap/heap.cc#L6227-L6246

This workaround stops the heap profiler before the heap spaces are destroyed.

Author: nsavoire

bindings/profilers/heap.cc

@@ -56,6 +56,11 @@ struct HeapProfilerState {
   explicit HeapProfilerState(v8::Isolate* isolate) : isolate(isolate) {}
 
   ~HeapProfilerState() {
+    auto profiler = isolate->GetHeapProfiler();
+    if (profiler) {
+      profiler->StopSamplingHeapProfiler();
+    }
+
     UninstallNearHeapLimitCallback();
     if (async) {
       // defer deletion of async when uv_close callback is invoked