Bump version of paperless-ai chart to 0.2.0

Updated the version number in the Chart.yaml file for the
paperless-ai Helm chart from 0.1.0 to 0.2.0. This change was made
to reflect the latest updates and improvements made to the chart,
ensuring users are aware of the new version. No breaking changes
were introduced with this update, and the appVersion remains at
3.0.7.

charts/paperless-ai/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: paperless-ai
 description: Ein Helm Chart für Paperless AI, basierend auf der Docker Compose Konfiguration.
-version: 0.1.0
+version: 0.2.0
 appVersion: 3.0.7
 keywords:
   - paperless-ai