[bitnami/kube-prometheus] fix: thanosRuler should not b64enc a stringData (#35808)

* [bitnami/kube-prometheus] fix: thanosRuler should not b64enc a stringData

Signed-off-by: Poil <poil@quake.fr>

* Update CHANGELOG.md

Signed-off-by: Bitnami Bot <bitnami.bot@broadcom.com>

* Update CHANGELOG.md

Signed-off-by: Bitnami Bot <bitnami.bot@broadcom.com>

* Update CHANGELOG.md

Signed-off-by: Bitnami Bot <bitnami.bot@broadcom.com>

---------

Signed-off-by: Poil <poil@quake.fr>
Signed-off-by: Bitnami Bot <bitnami.bot@broadcom.com>
Co-authored-by: Bitnami Bot <bitnami.bot@broadcom.com>

bitnami/kube-prometheus/CHANGELOG.md

@@ -1,8 +1,12 @@
 # Changelog
 
-## 11.3.8 (2025-08-14)
+## 11.3.9 (2025-08-18)
 
-* [bitnami/kube-prometheus] :zap: :arrow_up: Update dependency references ([#35908](https://github.com/bitnami/charts/pull/35908))
+* [bitnami/kube-prometheus] fix: thanosRuler should not b64enc a stringData ([#35808](https://github.com/bitnami/charts/pull/35808))
+
+## <small>11.3.8 (2025-08-14)</small>
+
+* [bitnami/kube-prometheus] :zap: :arrow_up: Update dependency references (#35908) ([35b34cb](https://github.com/bitnami/charts/commit/35b34cb2cb9b0709a3f759f302c19489729d4e25)), closes [#35908](https://github.com/bitnami/charts/issues/35908)
 
 ## <small>11.3.7 (2025-08-14)</small>
 

bitnami/kube-prometheus/Chart.yaml

@@ -51,4 +51,4 @@ maintainers:
 name: kube-prometheus
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/kube-prometheus
-version: 11.3.8
+version: 11.3.9

bitnami/kube-prometheus/templates/thanos-ruler/secret-alertmanager-config.yaml

@@ -19,7 +19,7 @@ metadata:
 stringData:
   alertmanagers-config.yaml: |-
     {{- if .Values.thanosRuler.alertmanagersConfig.config }}
-      {{- include "common.tplvalues.render" (dict "value" .Values.thanosRuler.alertmanagersConfig.config "context" $) | b64enc | nindent 4 }}
+      {{- include "common.tplvalues.render" (dict "value" .Values.thanosRuler.alertmanagersConfig.config "context" $) | nindent 4 }}
     {{ else }}
     alertmanagers:
     - static_configs: