message: chore: update CHANGELOG.md for release
diff: +## X.Y.Z (INSERT_DATE_HERE)
  +
  +#### Minor Changes
  +
  +- [fix: add missing members to parser exception type declarations](https://github.com/SAP/chevrotain/pull/1322)
  +
  + - Thanks to [@mbett7](https://github.com/mbett7) :thumbsup
  +
  +- [fix: update type declaration for CstChildrenDictionary](https://github.com/SAP/chevrotain/pull/1315)
  + - Thanks to [@raineszm](https://github.com/raineszm) :thumbsup
  +
  ## 7.1.0 (1-2-2021)
  #### Minor Changes
  -- [feat: remove constraints on rules and token names](https://github.com/SAP/chevrotain/pull/1303)
  - - Thanks to [@OmarTawfik](https://github.com/jlguenego) :thumbsup
  +- [feat: remove constraints on rules and token names](https://github.com/SAP/chevrotain/pull/1293)
  + - Thanks to [@jlguenego](https://github.com/jlguenego) :thumbsup
  - [Add generics to getBaseCSTVisitorConstructor](https://github.com/SAP/chevrotain/pull/1303)
  - - Thanks to [@OmarTawfik](https://github.com/ryanleecode) :thumbsup
  + - Thanks to [@ryanleecode](https://github.com/ryanleecode) :thumbsup
  ## 7.0.3 (10-30-2020)
  