Remove duplicate in image pull secrets (#16529)

* Remove duplicate in image pull secrets

Signed-off-by: Quang Ngo <qtp.ngo@gmail.com>

* Increase version of chart

Signed-off-by: Quang Ngo <qtp.ngo@gmail.com>

---------

Signed-off-by: Quang Ngo <qtp.ngo@gmail.com>

bitnami/common/Chart.yaml

@@ -3,7 +3,7 @@ annotations:
   licenses: Apache-2.0
 apiVersion: v2
 # Please make sure that version and appVersion are always the same.
-appVersion: 2.2.6
+appVersion: 2.3.0
 description: A Library Helm Chart for grouping common logic between bitnami charts. This chart is not deployable by itself.
 home: https://bitnami.com
 icon: https://bitnami.com/downloads/logos/bitnami-mark.png
@@ -20,4 +20,4 @@ name: common
 sources:
   - https://github.com/bitnami/charts
 type: library
-version: 2.2.6
+version: 2.3.0

bitnami/common/templates/_images.tpl

@@ -45,7 +45,7 @@ Return the proper Docker Image Registry Secret Names (deprecated: use common.ima
 
   {{- if (not (empty $pullSecrets)) }}
 imagePullSecrets:
-    {{- range $pullSecrets }}
+    {{- range $pullSecrets | uniq }}
   - name: {{ . }}
     {{- end }}
   {{- end }}
@@ -73,7 +73,7 @@ Return the proper Docker Image Registry Secret Names evaluating values as templa
 
   {{- if (not (empty $pullSecrets)) }}
 imagePullSecrets:
-    {{- range $pullSecrets }}
+    {{- range $pullSecrets | uniq }}
   - name: {{ . }}
     {{- end }}
   {{- end }}