Fix typo in typehint
Fix typo in typehint

tweakers-dev/swiftmailer,zghosts/swiftmailer,gencer/swiftmailer,Chhunlong/swiftmailer,voku/swiftmailer,kuslahne/swiftmailer,voku/swiftmailer,zghosts/swiftmailer,fvosberg/swiftmailer,c960657/swiftmailer,Dubz/swiftmailer,Rotzbua/swiftmailer,jamesggordon/swiftmailer,handautsav/swiftmailer,deguif/swiftmailer,tweakers-dev/swiftmailer,gburyakovsky/swiftmailer,michabbb-backup/swiftmailer,robertklein/swiftmailer,Rotzbua/swiftmailer,c960657/swiftmailer,gencer/swiftmailer,gburyakovsky/swiftmailer,kuslahne/swiftmailer,deguif/swiftmailer,handautsav/swiftmailer,swiftmailer/swiftmailer,denpamusic/swiftmailer,swiftmailer/swiftmailer,robertklein/swiftmailer,Chhunlong/swiftmailer,papagel/swiftmailer,fvosberg/swiftmailer,denpamusic/swiftmailer,Dubz/swiftmailer,jamesggordon/swiftmailer,papagel/swiftmailer,michabbb-backup/swiftmailer