8.2
CS fixes
Use CPP where possible
[Mailer][Notifier] Add and use `Dsn::getBooleanOption()`
Revert "bug #44494 Remove FQCN type hints on properties (fabpot)"
Narrow existing return types on private/internal/final/test methods
Merge branch '8.0' into 8.1
[Notifier] [DX] Dsn::getRequiredOption()
Use Stringable interface as much as possible