Composer(deps): Bump symfony/mailer from 6.4.0 to 6.4.2 in /web

[dependabot[bot]]

Bumps symfony/mailer from 6.4.0 to 6.4.2.

Release notes

Sourced from symfony/mailer's releases.

v6.4.2

Changelog (https://github.com/symfony/mailer/compare/v6.4.1...v6.4.2)

• bug symfony/symfony#53243 [Mailer][Postmark] Add missing changelog for webhook support (@​OskarStark)
• bug symfony/symfony#53061 [Mailer] [Mailjet] Disable tls for mailjet as it should use STARTTLS (@​RFreij)
• bug symfony/symfony#53125 [Mailer] add the MailPace transport to the UnsupportedSchemeException (@​xabbuh)
• bug symfony/symfony#52864 [HttpClient][Mailer][Process] always pass microseconds to usleep as integers (@​xabbuh)

Commits

• 6da89e5 Merge branch '6.3' into 6.4
• e35910b add the MailPace transport to the UnsupportedSchemeException
• b7a8093 Merge branch '6.3' into 6.4
• 114eea9 Merge branch '5.4' into 6.3
• 0d2c0e0 always pass microseconds to usleep as integers
• 5ca8a76 Remove full DSNs from exception messages
• See full diff in compare view

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[dependabot[bot]]

Superseded by #947.