Update composer.json
Update composer.json

update homepage link to https
voku/swiftmailer,Rotzbua/swiftmailer,gencer/swiftmailer,c960657/swiftmailer,gencer/swiftmailer,c960657/swiftmailer,jamesggordon/swiftmailer,michabbb-backup/swiftmailer,michabbb-backup/swiftmailer,swiftmailer/swiftmailer,Rotzbua/swiftmailer,swiftmailer/swiftmailer,jamesggordon/swiftmailer,voku/swiftmailer