Update CHANGELOG and history

Author: iBug

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## [4.26.2](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.26.2)
 
 ### Enhancements
 

docs/_docs/18-history.md

@@ -5,7 +5,7 @@ permalink: "/docs/history/"
 excerpt: Change log of enhancements and bug fixes made to the theme.
 sidebar:
   nav: docs
-last_modified_at: '2024-06-15T17:52:15+08:00'
+last_modified_at: '2024-06-15T17:54:53+08:00'
 toc: false
 ---
 
@@ -15,7 +15,7 @@ toc: false
 -->
 
 {% raw %}
-## Unreleased
+## [4.26.2](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.26.2)
 
 ### Enhancements