Change ICorProfilerMethodEnum to use the COMPtr (#6334)

## Summary of changes

This PR changes the way we handle `ICorProfilerMethodEnum` to use the
`COMPtr` to release it when it's out of scope.

## Reason for change

Match the rejitprofiler test in the dotnet runtime repo:
https://github.com/dotnet/runtime/blob/98049e56a415d9bcf2d002fba71f399ba08cf39c/src/tests/profiler/native/rejitprofiler/rejitprofiler.cpp#L280-L281

and instead of manually calling `Release` use the `COMPtrHolder` to
automatically release it.

tracer/src/Datadog.Tracer.Native/rejit_handler.cpp

@@ -62,10 +62,10 @@ bool RejitHandlerModuleMethod::RequestRejitForInlinersInModule(ModuleID moduleId
     {
         // Now we enumerate all methods that inline the current methodDef
         BOOL incompleteData = false;
-        ICorProfilerMethodEnum* methodEnum;
+        ComPtr<ICorProfilerMethodEnum> methodEnum;
 
         HRESULT hr = pInfo->EnumNgenModuleMethodsInliningThisMethod(moduleId, currentModuleId, currentMethodDef,
-                                                                    &incompleteData, &methodEnum);
+                                                                    &incompleteData, methodEnum.GetAddressOf());
         std::ostringstream hexValue;
         hexValue << std::hex << hr;
         if (SUCCEEDED(hr))
@@ -82,8 +82,7 @@ bool RejitHandlerModuleMethod::RequestRejitForInlinersInModule(ModuleID moduleId
                 methods.push_back(method.methodId);
                 total++;
             }
-            methodEnum->Release();
-            methodEnum = nullptr;
+
             if (total > 0)
             {
                 handler->EnqueueForRejit(modules, methods);