chore: changelog

Author: jaybuidl

contracts/CHANGELOG.md

@@ -16,6 +16,8 @@ The format is based on [Common Changelog](https://common-changelog.org/).
 - **Breaking:** Rename `governor` to `owner` in order to comply with the lightweight ownership standard [ERC-5313](https://eipsinsight.com/ercs/erc-5313) ([#2112](https://github.com/kleros/kleros-v2/issues/2112))
 - **Breaking:** Apply the penalties to the stakes in the Sortition Tree ([#2107](https://github.com/kleros/kleros-v2/issues/2107))
 - **Breaking:** Make `SortitionModule.getJurorBalance().stakedInCourt` include the penalties ([#2107](https://github.com/kleros/kleros-v2/issues/2107))
+- Do not emit the `KlerosCore.TokenAndETHShift` event if the both the PNK and fee amounts are zero ([#2135](https://github.com/kleros/kleros-v2/issues/2135))
+- Do not make PNK or ETH transfers if the amounts are zero ([#2135](https://github.com/kleros/kleros-v2/issues/2135))
 - Make `IDisputeKit.draw()` and `ISortitionModule.draw()` return the court ID from which the juror was drawn ([#2107](https://github.com/kleros/kleros-v2/issues/2107))
 - Rename `SortitionModule.setJurorInactive()` to `SortitionModule.forcedUnstakeAllCourts()` ([#2107](https://github.com/kleros/kleros-v2/issues/2107))
 - Make the primary VRF-based RNG fall back to `BlockhashRNG` if the VRF request is not fulfilled within a timeout ([#2054](https://github.com/kleros/kleros-v2/issues/2054))