Updated CHANGELOG.md for 1.20.13 release

Author: bUnitBot

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.20.13] - 2021-04-24
+
 second test
 
 ## [1.19.6] - 2021-04-24
@@ -82,21 +84,23 @@ more of that
 
 -   Something was added.
 
-[Unreleased]: https://github.com/bUnit-dev/workflows/compare/1.19.6...HEAD
+[Unreleased]: https://github.com/bUnit-dev/workflows/compare/v1.20.13...HEAD
+
+[1.20.13]: https://github.com/bUnit-dev/workflows/compare/v1.19.6...v1.20.13
 
-[1.19.6]: https://github.com/bUnit-dev/workflows/compare/1.15.18...1.19.6
+[1.19.6]: https://github.com/bUnit-dev/workflows/compare/v1.15.18...v1.19.6
 
-[1.15.18]: https://github.com/bUnit-dev/workflows/compare/1.14.7...1.15.18
+[1.15.18]: https://github.com/bUnit-dev/workflows/compare/v1.14.7...v1.15.18
 
-[1.14.7]: https://github.com/bUnit-dev/workflows/compare/1.13.5...1.14.7
+[1.14.7]: https://github.com/bUnit-dev/workflows/compare/v1.13.5...v1.14.7
 
-[1.13.5]: https://github.com/bUnit-dev/workflows/compare/1.12.1...1.13.5
+[1.13.5]: https://github.com/bUnit-dev/workflows/compare/v1.12.1...v1.13.5
 
-[1.12.1]: https://github.com/bUnit-dev/workflows/compare/1.11.15...1.12.1
+[1.12.1]: https://github.com/bUnit-dev/workflows/compare/v1.11.15...v1.12.1
 
-[1.11.15]: https://github.com/bUnit-dev/workflows/compare/1.11.13...1.11.15
+[1.11.15]: https://github.com/bUnit-dev/workflows/compare/v1.11.13...v1.11.15
 
-[1.11.13]: https://github.com/bUnit-dev/workflows/compare/1.11.8...1.11.13
+[1.11.13]: https://github.com/bUnit-dev/workflows/compare/v1.11.8...v1.11.13
 
 [1.11.8]: https://github.com/bUnit-dev/workflows/compare/1.9...1.11.8