Update changelog

Author: chemamartinez

packages/ti_opencti/changelog.yml

@@ -3,7 +3,7 @@
   changes:
     - description: Avoid adding documents with errors to the transform destination index.
       type: enhancement
-      link: https://github.com/elastic/integrations/pull/99999
+      link: https://github.com/elastic/integrations/pull/15780
 - version: "2.8.0"
   changes:
     - description: Add script processor to drop all nulls / empty strings.