message: Tweak changelog notes
diff: ### Features
  -- Allow to define wildcard mapping in `externalSymbolLinkMappings`.
  +- Added support for a catch-all wildcard in `externalSymbolLinkMappings`, #2102.
  +
  +### Thanks!
  +
  +- @mistic100
  ## v0.23.20 (2022-11-03)
  