chore(chart): add some metadata (#1835)

Author: Jorgagu

charts/sentry/Chart.yaml

@@ -41,3 +41,7 @@ dependencies:
     condition: nginx.enabled
 maintainers:
   - name: sentry-kubernetes
+icon: https://raw.githubusercontent.com/sentry-kubernetes/charts/refs/heads/develop/docs/logo.png
+home: https://github.com/sentry-kubernetes/charts
+sources:
+  - https://github.com/sentry-kubernetes/charts/tree/develop/charts/sentry