8.2
deprecate the TransportFactoryTestCase
Add PR template and auto-close PR on subtree split repositories
[Notifier] add Mailjet SMS bridge
[Notifier] Add from in SmsMessage and support it in bridge transports
Update license years (last time)
CS fixes
Narrow existing return types on private/internal/final/test methods
Add call to backers in README files
Bump to php >= 8.4.1
Update XSD references in phpunit.xml.dist files