Bump phpmailer/phpmailer from 6.0.7 to 6.5.0 in /ep01

Bumps [phpmailer/phpmailer](https://github.com/PHPMailer/PHPMailer) from 6.0.7 to 6.5.0.
- [Release notes](https://github.com/PHPMailer/PHPMailer/releases)
- [Changelog](https://github.com/PHPMailer/PHPMailer/blob/master/changelog.md)
- [Commits](PHPMailer/PHPMailer@v6.0.7...v6.5.0)

---
updated-dependencies:
- dependency-name: phpmailer/phpmailer
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ep01/composer.json

@@ -23,6 +23,6 @@
         ]
     },
     "require": {
-        "phpmailer/phpmailer": "6.0.*"
+        "phpmailer/phpmailer": "6.5.*"
     }
 }