GH-96421: Insert shim frame on entry to interpreter (GH-96319)

* Adds EXIT_INTERPRETER instruction to exit PyEval_EvalDefault()

* Simplifies RETURN_VALUE, YIELD_VALUE and RETURN_GENERATOR instructions as they no longer need to check for entry frames.

Python/compile.c

@@ -1256,6 +1256,8 @@ stack_effect(int opcode, int oparg, int jump)
             return 1;
         case BINARY_OP:
             return -1;
+        case INTERPRETER_EXIT:
+            return -1;
         default:
             return PY_INVALID_STACK_EFFECT;
     }