v7.2.0-BETA1

Changelog (v7.1.6...v7.2.0-BETA1)

• feature symfony/symfony#58264 [Mailer] Support region in sendgrid bridge (@MrYamous)
• feature symfony/symfony#50324 [Webhook] Add Mailchimp webhook (@johanadivare)
• feature symfony/symfony#58361 [Mailer][Mime] Support unicode email addresses (@arnt, @OskarStark)
• feature symfony/symfony#58403 [Mailer][Webhook] Mailtrap webhook support (@kbond)
• feature symfony/symfony#58351 [Mailer] deprecate the TransportFactoryTestCase (@xabbuh)
• feature symfony/symfony#58401 [Mailer][Webhook] Fix SendGrid Webhook parsing (@kbond)
• feature symfony/symfony#58252 [Mailer] add Mailtrap bridge (@kbond)
• feature symfony/symfony#58182 make test case classes compatible with PHPUnit 10+ (@xabbuh)
• feature symfony/symfony#57431 [Mailer] Add Sweego bridge (@welcoMattic)
• feature symfony/symfony#57903 [Mailer] Implement Postal mailer (@jonasclaes)
• feature symfony/symfony#57456 [Mailer] Add mailomat bridge (@scuben)
• feature symfony/symfony#57424 [Mailer] [Infobip] Add trackClicks, trackOpens and trackingUrl as supp… (@ndousson)