Protect against stack overflow caused by deep recursive calls

* PPTC version bump

* Also reset call depth when not using the unmanaged dispatch loop

* Increment call depth on function start rather than before call

src/ARMeilleure/State/ExecutionContext.cs

@@ -128,6 +128,11 @@ namespace ARMeilleure.State
         public bool GetFPstateFlag(FPState flag) => _nativeContext.GetFPStateFlag(flag);
         public void SetFPstateFlag(FPState flag, bool value) => _nativeContext.SetFPStateFlag(flag, value);
 
+        internal void ResetCallDepth()
+        {
+            _nativeContext.ResetCallDepth();
+        }
+
         internal void CheckInterrupt()
         {
             if (_interrupted)