Merge pull request PSLmodels#939 from rickecon/vers

Merging

CHANGELOG.md

@@ -246,6 +246,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Any earlier versions of OG-USA can be found in the [`OG-Core`](https://github.com/PSLmodels/OG-Core) repository [release history](https://github.com/PSLmodels/OG-Core/releases) from [v.0.6.4](https://github.com/PSLmodels/OG-Core/releases/tag/v0.6.4) (Jul. 20, 2021) or earlier.
 
 
+[0.11.9]: https://github.com/PSLmodels/OG-Core/compare/v0.11.8...v0.11.9
 [0.11.8]: https://github.com/PSLmodels/OG-Core/compare/v0.11.7...v0.11.8
 [0.11.7]: https://github.com/PSLmodels/OG-Core/compare/v0.11.6...v0.11.7
 [0.11.6]: https://github.com/PSLmodels/OG-Core/compare/v0.11.5...v0.11.6