build(deps-dev): bump swiftmailer/swiftmailer from 6.2.5 to 6.2.6
build(deps-dev): bump swiftmailer/swiftmailer from 6.2.5 to 6.2.6

Bumps [swiftmailer/swiftmailer](https://github.com/swiftmailer/swiftmailer) from 6.2.5 to 6.2.6.
- [Release notes](https://github.com/swiftmailer/swiftmailer/releases)
- [Changelog](https://github.com/swiftmailer/swiftmailer/blob/master/CHANGES)
- [Commits](https://github.com/swiftmailer/swiftmailer/compare/v6.2.5...v6.2.6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
leocavalcante/siler