imp(ci): Bump changelog linter to v0.2.1 (#60)

* bump linter version

* add changelog entry

* adjust ci changelog lint version to v0.2.1

.github/workflows/changelog-lint.yaml

@@ -12,4 +12,4 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Run changelog linter
-      uses: MalteHerrmann/changelog-lint-action@0918ef12e6dc06adce0743e1c6c13707a7c20323
+      uses: MalteHerrmann/changelog-lint-action@v0.2.1

CHANGELOG.md

@@ -6,6 +6,10 @@ This changelog was created using the `clu` binary
 
 ## Unreleased
 
+### Improvements
+
+- (ci) [#60](https://github.com/MalteHerrmann/changelog-utils/pull/60) Bump changelog linter to v0.2.0.
+
 ### Bug Fixes
 
 - (lint) [#61](https://github.com/MalteHerrmann/changelog-utils/pull/61) Fix version comparison.