build(deps): update phpmailer/phpmailer requirement from 6.9.2 to 6.9…

….3 (#1963)

Updates the requirements on [phpmailer/phpmailer](https://github.com/PHPMailer/PHPMailer) to permit the latest version.
- [Release notes](https://github.com/PHPMailer/PHPMailer/releases)
- [Changelog](https://github.com/PHPMailer/PHPMailer/blob/master/changelog.md)
- [Commits](PHPMailer/PHPMailer@v6.9.2...v6.9.3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -13,7 +13,7 @@
 		"league/oauth2-google": "4.0.1",
 		"php": "^8.2",
 		"php-di/php-di": "7.0.7",
-		"phpmailer/phpmailer": "6.9.2",
+		"phpmailer/phpmailer": "6.9.3",
 		"team-reflex/discord-php": "10.0.0",
 		"vanilla/nbbc": "2.6.0"
 	},