[Security] Bump phpmailer/phpmailer from 6.4.1 to 6.5.0 (#1472)
[Security] Bump phpmailer/phpmailer from 6.4.1 to 6.5.0 (#1472)

Bumps [phpmailer/phpmailer](https://github.com/PHPMailer/PHPMailer) from 6.4.1 to 6.5.0. **This update includes security fixes.**
- [Release notes](https://github.com/PHPMailer/PHPMailer/releases)
- [Changelog](https://github.com/PHPMailer/PHPMailer/blob/master/changelog.md)
- [Commits](https://github.com/PHPMailer/PHPMailer/compare/v6.4.1...v6.5.0)

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

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
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