chore(release): update helm chart appVersion to

Author: github-actions[bot]

install/kubernetes/github-actions-cache-server/Chart.yaml

@@ -21,4 +21,4 @@ version: 0.1.1
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: '4.0.1'
+appVersion: ''