composer update
composer update

Changelogs summary:

 - swiftmailer/swiftmailer updated from v6.2.0 to v6.2.1
   See changes:
https://github.com/swiftmailer/swiftmailer/compare/v6.2.0...v6.2.1
   Release notes:
https://github.com/swiftmailer/swiftmailer/releases/tag/v6.2.1

 - sebastian/environment updated from 4.1.0 to 4.2.1
   See changes:
https://github.com/sebastianbergmann/environment/compare/4.1.0...4.2.1
   Release notes:
https://github.com/sebastianbergmann/environment/releases/tag/4.2.1

 - phpunit/phpunit updated from 7.5.8 to 7.5.9
   See changes:
https://github.com/sebastianbergmann/phpunit/compare/7.5.8...7.5.9
   Release notes:
https://github.com/sebastianbergmann/phpunit/releases/tag/7.5.9

 - codeception/codeception updated from 2.5.5 to 2.5.6
   See changes:
https://github.com/Codeception/Codeception/compare/2.5.5...2.5.6
   Release notes:
https://github.com/Codeception/Codeception/releases/tag/2.5.6

 - myclabs/php-enum updated from 1.6.6 to 1.7.0
   See changes:
https://github.com/myclabs/php-enum/compare/1.6.6...1.7.0
   Release notes: https://github.com/myclabs/php-enum/releases/tag/1.7.0

 - roave/security-advisories updated from dev-master to dev-master
   See changes:
https://github.com/Roave/SecurityAdvisories/compare/9c6c45a...1b329f4

elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw