Fix port set up in web deployment

Author: Rub21

osm-seed/templates/web/web-deployment.yaml

@@ -66,7 +66,7 @@ spec:
             - name: MAILER_FROM
               value: {{ .Values.web.env.MAILER_FROM }}
             - name: MAILER_PORT
-              value: {{ .Values.web.env.MAILER_PORT | default 25 }}
+              value: {{ .Values.web.env.MAILER_PORT | default "25" | quote }}
             - name: OSM_id_key
               value: {{ .Values.web.env.OSM_id_key }}
             - name: OSM_memcache_servers