message: Document CI verison increment
diff: @@ -4,6 +4,7 @@ Any changes, including backwards incompatible changes will be listed here
  ## HEAD
  +- CI testing on node 12 (instead of 11)
  - Deprecated PMX configuration option. Use prom-client for monitoring
  - Fix: Prom client uses stricter path matching to reduce cardinaility in `path=` label
  