message: Fix CHANGELOG links [skip ci]
diff: @@ -1357,7 +1357,8 @@ Some main points:
  All future Changelog entries will reference this base
  -[unreleased]: https://github.com/CosmWasm/cosmwasm/compare/v1.0.0-rc.0...HEAD
  +[unreleased]: https://github.com/CosmWasm/cosmwasm/compare/v1.0.0...HEAD
  +[1.0.0]: https://github.com/CosmWasm/cosmwasm/compare/v1.0.0-rc.0...v1.0.0
  [1.0.0-rc.0]:
  https://github.com/CosmWasm/cosmwasm/compare/v1.0.0-beta8...v1.0.0-rc.0
  [1.0.0-beta8]:
  