message: Updated CHANGELOG.md for v3.9.7
diff: ## Change Log
  +### v3.9.7 (2021-02-18)
  +- [#189](https://github.com/react-querybuilder/react-querybuilder/pull/189) Convert tests to Jest (@jakeboone02)
  +- [#188](https://github.com/react-querybuilder/react-querybuilder/pull/188) Include extra attributes in valid query (@jakeboone02)
  +
  +### v3.9.6 (2021-02-15)
  +- [#183](https://github.com/react-querybuilder/react-querybuilder/pull/183) Add codecov upload to workflow (@jakeboone02)
  +- [#182](https://github.com/react-querybuilder/react-querybuilder/pull/182) Update GHA to build and test (@jakeboone02)
  +
  +### v3.9.5 (2021-02-08)
  +- [#181](https://github.com/react-querybuilder/react-querybuilder/pull/181) Created main.yml for GitHub workflows (@jakeboone02)
  +
  +### v3.9.4 (2021-02-06)
  +- [#180](https://github.com/react-querybuilder/react-querybuilder/pull/180) Webpack 5 (@jakeboone02)
  +
  ### v3.9.3 (2021-02-05)
  - [#179](https://github.com/react-querybuilder/react-querybuilder/pull/179) Added ability to disable inital queryChange (@saurabhnemade)
  ### v2.0.0 (2019-08-18)
  - [#87](https://github.com/react-querybuilder/react-querybuilder/pull/87) Hooks rewrite and increased test coverage (@jakeboone02)
  -- [#86](https://github.com/react-querybuilder/react-querybuilder/pull/86) Upgrade dependencies and replace deprecated or unmaintained packages (@react-querybuilder)
  +- [#86](https://github.com/react-querybuilder/react-querybuilder/pull/86) Upgrade dependencies and replace deprecated or unmaintained packages (@sapientglobalmarkets)
  - [#82](https://github.com/react-querybuilder/react-querybuilder/pull/82) Removed type restrictions on Rule values (@jakeboone02)
  ### v1.4.3 (2018-04-08)
  