worker podTemplate's configmap rendered using common.tplvalues.render (#10723)

Signed-off-by: Le Thanh Tung <nothing5lose@gmail.com>

bitnami/airflow/Chart.yaml

@@ -32,4 +32,4 @@ name: airflow
 sources:
   - https://github.com/bitnami/bitnami-docker-airflow
   - https://airflow.apache.org/
-version: 12.5.7
+version: 12.5.8

bitnami/airflow/templates/config/configmap.yaml

@@ -20,7 +20,7 @@ data:
   {{- if $kube }}
   pod_template.yaml: |-
   {{- if .Values.worker.podTemplate }}
-    {{ .Values.worker.podTemplate | nindent 4 }}
+    {{- include "common.tplvalues.render" (dict "value" .Values.worker.podTemplate "context" $) | nindent 4 }}
   {{- else }}
     apiVersion: v1
     kind: Pod