chore(version): update changelog version

Author: jeertmans

.bumpversion.cfg

@@ -1,7 +1,7 @@
 [bumpversion]
 current_version = 5.0.0
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-rc(?P<release>\d+))?
-serialize = 
+serialize =
 	{major}.{minor}.{patch}-rc{release}
 	{major}.{minor}.{patch}
 commit = True

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- start changelog -->
 
-## [v5 (Unreleased)](https://github.com/jeertmans/manim-slides/compare/v4.16.0...HEAD)
+## [v5](https://github.com/jeertmans/manim-slides/compare/v4.16.0...v5.0.0)
 
 Prior to v5, there was no real CHANGELOG other than the GitHub releases,
 with most of the content automatically generated by GitHub from merged