Update CHANGELOG for v1.0.4.5

***NO_CI***
2022-03-29 18:15:53 +00:00 · 2022-03-29 18:15:53 +00:00 · 714519f670
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,5 +1,9 @@
 # Changelog

+## [v1.0.4](https://github.com/nanoframework/System.IO.Ports/tree/v1.0.4) (2022-03-29)
+
+[Full Changelog](https://github.com/nanoframework/System.IO.Ports/compare/v1.0.4-preview.3...v1.0.4)
+
 ## [v1.0.4-preview.3](https://github.com/nanoframework/System.IO.Ports/tree/v1.0.4-preview.3) (2022-03-29)

 [Full Changelog](https://github.com/nanoframework/System.IO.Ports/compare/v1.0.3...v1.0.4-preview.3)