Fix markdownlint

Signed-off-by: Florian Hotze <dev@florianhotze.com>

Author: florian-h05

CHANGELOG.md

@@ -19,7 +19,6 @@ Also see the [Release Milestone](https://github.com/openhab/openhab-js/milestone
 |--————--|--—————----|--————————————————————————————----------------------|--———————————————————-----------------------------------|--———-----|
 | Bugfix | `items`   | Item: Fix lastStateChange fields call wrong method | [#459](https://github.com/openhab/openhab-js/pull/459) | no       |
 
-
 Also see [`v5.11.2...v5.11.3`](https://github.com/openhab/openhab-js/compare/v5.11.2...v5.11.3).
 
 ## 5.11.2