moded/RunModel: fix possible memory leak without a virtual destructor (#22990)

old-commit-hash: d97ad1302a

selfdrive/modeld/runners/runmodel.h

@@ -1,6 +1,7 @@
 #pragma once
 class RunModel {
 public:
+  virtual ~RunModel() {}
   virtual void addRecurrent(float *state, int state_size) {}
   virtual void addDesire(float *state, int state_size) {}
   virtual void addTrafficConvention(float *state, int state_size) {}