[prometheus] app.kubenetes.io/managed-by should not be templated (#4965)

Signed-off-by: Benjamin Leggett <benjamin.leggett@solo.io>
Signed-off-by: zeritti <47476160+zeritti@users.noreply.github.com>
Co-authored-by: zeritti <47476160+zeritti@users.noreply.github.com>
Co-authored-by: MH <zanhsieh@gmail.com>

charts/prometheus/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: prometheus
 appVersion: v2.55.1
-version: 25.30.0
+version: 25.30.1
 kubeVersion: ">=1.19.0-0"
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/

charts/prometheus/templates/_helpers.tpl

@@ -27,7 +27,6 @@ Create unified labels for prometheus components
 {{- define "prometheus.common.metaLabels" -}}
 app.kubernetes.io/version: {{ .Chart.AppVersion }}
 helm.sh/chart: {{ include "prometheus.chart" . }}
-app.kubernetes.io/managed-by: {{ .Release.Service }}
 app.kubernetes.io/part-of: {{ include "prometheus.name" . }}
 {{- with .Values.commonMetaLabels}}
 {{ toYaml . }}