Add attributes to support PHPUnit 10 + 11

[mickverm]

1) Metadata found in doc-comment for method
<redacted>::_initializeTestTransports(). Metadata in doc-comments is deprecated and will no longer be supported in PHPUnit 12. Update your test code to use attributes instead.
2) Metadata found in doc-comment for method
<redacted>::_enableMessagesCollection(). Metadata in doc-comments is deprecated and will no longer be supported in PHPUnit 12. Update your test code to use attributes instead.
3) Metadata found in doc-comment for method
<redacted>::_disableMessagesCollection(). Metadata in doc-comments is deprecated and will no longer be supported in PHPUnit 12. Update your test code to use attributes instead.
4) Metadata found in doc-comment for method
<redacted>::_resetMessengerTransports(). Metadata in doc-comments is deprecated and will no longer be supported in PHPUnit 12. Update your test code to use attributes instead.

[kbond]

Thanks @mickverm!

[romm]

Hey there, thanks for the contribution @mickverm!

@kbond are there plans for a release anytime soon? Thank you for your work! 😊

[kbond]

@romm, I just tagged a release

[romm]

That was fast, thank you!