fix: add objects cleanup after execution

src/vm/fzl_vm.c

@@ -638,6 +638,12 @@ void fzl_freevm(fzl_vm_t *vm)
       free((void *)vm->consts[i].as.string.chars);
   }
 
+  for (size_t i = 0; i < vm->objects_count; i++)
+  {
+    free(vm->objects[i]->values);
+    free(vm->objects[i]);
+  }
+
   free(vm->consts);
   free(vm->ops);
   free(vm);