[Monolog] Expose LoggerChannel attribute

[roxblnfk]

Q	A
Bugfix?	❌
Breaks BC?	❌
New feature?	✔️
Docs PR	https://github.com/spiral/docs/pull/699

The Pull Request adds the ability to specify the logger channel in the code using a parameter attribute:

function (#[LoggerChannel('foo')] LoggerInterface $logger) {
    // Logger with channel `foo` will be injected
    // ...
}