Update talconfig.yaml.j2 (#1497)

Fix extensionServices configFile content multi-line indentation.

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

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