docs(website): add header to 2.4.0 blog post

Author: orhun

website/blog/git-cliff-2.4.0.md

@@ -6,6 +6,7 @@ authors: orhun
 tags:
   - release
 ---
+
 <center>
 
   <a href="https://github.com/orhun/git-cliff">
@@ -20,6 +21,10 @@ tags:
 >
 > More information and examples can be found in the [GitHub repository](https://github.com/orhun/git-cliff).
 
+## What's new? ⛰️
+
+The full changelog can be found [here](https://github.com/orhun/git-cliff/blob/main/CHANGELOG.md).
+
 ---
 
 ### 🍵 Gitea Integration