Fix changelog format

Author: mdellweg

CHANGES.md

@@ -10,11 +10,10 @@
 
 [//]: # (towncrier release notes start)
 
-## 0.2.0 (2023-03-17)
-=====================
+## 0.2.0 (2023-03-17) {: #0.2.0 }
 
 
-#### Features
+#### Features {: #0.2.0-feature }
 
 - Added an 'add-cached-content' command for repositories.
   [#5](https://github.com/pulp/pulp-cli-maven/issues/5)
@@ -23,11 +22,10 @@
 ---
 
 
-## 0.1.0 (2023-03-10)
-=====================
+## 0.1.0 (2023-03-10) {: #0.1.0 }
 
 
-#### Features
+#### Features {: #0.1.0-feature }
 
 - Added commands for managing Repositories, Remotes, and Distributions.
   [#1](https://github.com/pulp/pulp-cli-maven/issues/1)