enable helm templating in affinity section using tpl

Author: arturmkr

charts/gateway/templates/deployment.yaml

@@ -115,7 +115,7 @@ spec:
       {{- end }}
       {{- with .Values.affinity }}
       affinity:
-        {{- toYaml . | nindent 8 }}
+        {{- tpl (toYaml .) $ | nindent 8 }}
       {{- end }}
       {{- with .Values.tolerations }}
       tolerations: