Issue #3197141: Cache-Tag header limit is incorrect

modules/cloudflarepurger/cloudflarepurger.services.yml

-parameters:
-  cloudflarepurger.cache_tag_header_limit: 255
-
 services:
   cloudflarepurger.cache_tags.surrogate_key_generator:
     class: Drupal\cloudflarepurger\EventSubscriber\CloudFlareCacheTagHeaderGenerator
-    arguments: ['%cloudflarepurger.cache_tag_header_limit%']
     tags:
       - { name: event_subscriber }