message: Mention priority change in networking in changelog
diff: @@ -57,6 +57,7 @@ All notable changes to this project will be documented in this file. The format
  ### Removed
  * Remove systemd notify support, including removal of `[network][systemd_support]` config option.
  * Removed dead code revealed by making modules `pub(crate)`.
  +* The networking layer no longer gives preferences to validators from the previous era.
  ### Fixed
  * Avoid redundant requests caused by the Highway synchronizer.
  