Update dependency phpmailer/phpmailer to v7.0.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
phpmailer/phpmailer	7.0.0 -> 7.0.1

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Release Notes

PHPMailer/PHPMailer (phpmailer/phpmailer)

v7.0.1

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• Use From domain when generating CIDs in msgHTML.
• Update to PHPCompatibility 10, resolve numerous PHPCS issues in PHP 8.5.
• Revise GitHub actions for PHP 8.5 and experimental 8.6 tests.
• Switch gmail example from the deprecated IMAP extension to use directorytree/imapengine for IMAP uploads.
• Set htmlspecialchars() flags explicitly and consistently.
• Convert XOAUTH2 token exceptions into PHPMailer Exceptions. The original exception is available as an inner exception.
• Deprecate VERSION constants in POP3 and SMTP classes.
• Remove dependency on roave/security-advisories; it's now built into composer 2.9.
• Update Dutch, Esperanto, and Norwegian translations.

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