set component to elastic-agent in changelog fragment

Author: andrzej-stencel

changelog/fragments/1749176965-add-cumulativetodeltaprocessor.yaml

@@ -19,7 +19,7 @@ summary: add cumulativetodeltaprocessor to EDOT collector
 #description:
 
 # Affected component; usually one of "elastic-agent", "fleet-server", "filebeat", "metricbeat", "auditbeat", "all", etc.
-component:
+component: elastic-agent
 
 # PR URL; optional; the PR number that added the changeset.
 # If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.