Update stubs

Author: phpstan-bot

Php8StubsMap.php

@@ -2701,6 +2701,7 @@ public function __construct(int $phpVersionId)
  'sodium_crypto_stream_xchacha20_keygen' => 'stubs/ext/sodium/sodium_crypto_stream_xchacha20_keygen.php',
  'sodium_crypto_stream_xchacha20_xor' => 'stubs/ext/sodium/sodium_crypto_stream_xchacha20_xor.php',
  'zend_call_method' => 'stubs/ext/zend_test/zend_call_method.php',
+ 'zend_get_map_ptr_last' => 'stubs/ext/zend_test/zend_get_map_ptr_last.php',
  'zend_get_unit_enum' => 'stubs/ext/zend_test/zend_get_unit_enum.php',
  'zend_test_parameter_with_attribute' => 'stubs/ext/zend_test/zend_test_parameter_with_attribute.php',
  'zendteststringenum' => 'stubs/ext/zend_test/ZendTestStringEnum.php',

stubs/ext/zend_test/zend_get_map_ptr_last.php

@@ -0,0 +1,6 @@
+<?php 
+
+#[\Since('8.1')]
+function zend_get_map_ptr_last() : int
+{
+}