CODEOWNERS: Add Federico Paolinelli to maintainers
# https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners
# The MetalLB maintainers team
-* @daxmc99 @johananl @rata @russellb
+* @daxmc99 @fedepaol @johananl @rata @russellb
# Emeritus Maintainers
#
