[VOTE][RESULT] Log4j 2.9.0-rc1

[Ralph Goers]

The vote to release Log4j 2.9.0 based on release candidate 1 has passed with +1 
votes from Gary Gregory, Matt Sicker, Mikael Ståldal, Remko Popma, and Ralph 
Goers. No other votes were cast.

I will continue with the release process.

Ralph