Update talconfig.yaml.j2 (#1498)

Fix for #1497.

bootstrap/templates/kubernetes/bootstrap/talos/talconfig.yaml.j2

@@ -99,7 +99,7 @@ nodes:
         configFiles:
         #% for cf in es.configFiles %#
           - content: |-
-#{ cf.content }#
+              #{ cf.content | indent(14, yes) }#
             mountPath: #{ cf.mountPath }#
         #% endfor %#
         #% if es.environment %#