feat: update keptn-metrics-operator helm chart

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: mowies

charts/keptn-metrics-operator/Chart.yaml

@@ -23,7 +23,7 @@ annotations:
 kubeVersion: '>= 1.27.0-0'
 type: application
 version: 0.5.0 # Helm Chart version
-appVersion: v2.1.0 # x-release-please-version
+appVersion: v2.1.0
 dependencies:
   - name: common
     repository: https://charts.lifecycle.keptn.sh