Update changelog

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [8.0.4] - 2021-06-25
+* Fix `level` option TypeScript type. ([#97])
+
 ## [8.0.3] - 2021-06-20
 * Update TypeScript types compatible with 8.0.0 release. ([#95])
 
@@ -164,7 +167,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [1.0.0] - 2015-03-18
 * Initial release.
 
-[Unreleased]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.3...HEAD
+[Unreleased]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.4...HEAD
+[8.0.4]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.3...v8.0.4
 [8.0.3]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.2...v8.0.3
 [8.0.2]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.1...v8.0.2
 [8.0.1]: https://github.com/valeriangalliat/markdown-it-anchor/compare/v8.0.0...v8.0.1
@@ -239,3 +243,4 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 [#91]: https://github.com/valeriangalliat/markdown-it-anchor/pull/91
 [#93]: https://github.com/valeriangalliat/markdown-it-anchor/pull/93
 [#95]: https://github.com/valeriangalliat/markdown-it-anchor/pull/95
+[#97]: https://github.com/valeriangalliat/markdown-it-anchor/pull/97