bump chart version

Signed-off-by: Calvin Bui <3604363+calvinbui@users.noreply.github.com>

Author: calvinbui

charts/metrics-server/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: metrics-server
 description: Metrics Server is a scalable, efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines.
 type: application
-version: 3.9.0
+version: 3.9.1
 appVersion: 0.6.3
 keywords:
   - kubernetes