changelog.yml: revert newline change

Author: andrewkroh

packages/cloudflare_logpush/changelog.yml

@@ -372,4 +372,4 @@
   changes:
     - description: Initial Release.
       type: enhancement
-      link: https://github.com/elastic/integrations/pull/3643
+      link: https://github.com/elastic/integrations/pull/3643