Fix MongoDB executeBulkWrite stub

https://github.com/mongodb/mongo-php-driver/blob/b93f7c2bd10f6f1710aadb0505045df2d221b3ea/src/MongoDB/Server.stub.php#L74-L79

https://github.com/mongodb/mongo-php-driver/blob/b93f7c2bd10f6f1710aadb0505045df2d221b3ea/src/MongoDB/Manager.stub.php#L18-L23

Author: GromNaN

resources/functionMap.php

@@ -6774,7 +6774,7 @@
 'MongoDB\Driver\Exception\WriteException::getTraceAsString' => ['string'],
 'MongoDB\Driver\Exception\WriteException::getWriteResult' => ['MongoDB\Driver\WriteResult'],
 'MongoDB\Driver\Manager::__construct' => ['void', 'uri'=>'string', 'options='=>'array', 'driverOptions='=>'array'],
-'MongoDB\Driver\Manager::executeBulkWrite' => ['MongoDB\Driver\WriteResult', 'namespace'=>'string', 'bulk'=>'MongoDB\Driver\BulkWrite', 'writeConcern='=>'MongoDB\Driver\WriteConcern'],
+'MongoDB\Driver\Manager::executeBulkWrite' => ['MongoDB\Driver\WriteResult', 'namespace'=>'string', 'bulk'=>'MongoDB\Driver\BulkWrite', 'options='=>'array|MongoDB\Driver\WriteConcern|null'],
 'MongoDB\Driver\Manager::executeCommand' => ['MongoDB\Driver\Cursor', 'db'=>'string', 'command'=>'MongoDB\Driver\Command', 'readPreference='=>'MongoDB\Driver\ReadPreference'],
 'MongoDB\Driver\Manager::executeDelete' => ['MongoDB\Driver\WriteResult', 'namespace'=>'string', 'filter'=>'array|object', 'deleteOptions='=>'array', 'writeConcern='=>'MongoDB\Driver\WriteConcern'],
 'MongoDB\Driver\Manager::executeInsert' => ['MongoDB\Driver\WriteResult', 'namespace'=>'string', 'document'=>'array|object', 'writeConcern='=>'MongoDB\Driver\WriteConcern'],
@@ -6794,7 +6794,7 @@
 'MongoDB\Driver\ReadPreference::getMode' => ['int'],
 'MongoDB\Driver\ReadPreference::getTagSets' => ['array'],
 'MongoDB\Driver\Server::__construct' => ['void', 'host'=>'string', 'port'=>'string', 'options='=>'array', 'driverOptions='=>'array'],
-'MongoDB\Driver\Server::executeBulkWrite' => ['', 'namespace'=>'string', 'zwrite'=>'BulkWrite'],
+'MongoDB\Driver\Server::executeBulkWrite' => ['', 'namespace'=>'string', 'zwrite'=>'BulkWrite', 'options='=>'array|MongoDB\Driver\WriteConcern|nullarray|MongoDB\Driver\WriteConcern|null'],
 'MongoDB\Driver\Server::executeCommand' => ['MongoDB\Driver\Cursor', 'db'=>'string', 'command'=>'MongoDB\Driver\Command', 'readPreference='=>'MongoDB\Driver\ReadPreference'],
 'MongoDB\Driver\Server::executeQuery' => ['MongoDB\Driver\Cursor', 'namespace'=>'string', 'query'=>'MongoDB\Driver\Query', 'readPreference='=>'MongoDB\Driver\ReadPreference'],
 'MongoDB\Driver\Server::getHost' => [''],