[chore] fix changelog entry for pkg/exporterhelper (#14000)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

Update a changelog entry with the proper component for fixing the tests.

Example:
https://github.com/open-telemetry/opentelemetry-collector/actions/runs/18419570659/job/52490942165?pr=13782

Relates to
#13742

Signed-off-by: Paulo Dias <[email protected]>

Author: paulojmdias

.chloggen/mergectx-queuebatchsettings.yaml

@@ -4,7 +4,7 @@
 change_type: enhancement
 
 # The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
-component: exporter/exporterhelper
+component: pkg/exporterhelper
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
 note: Expose `MergeCtx` in exporterhelper's queue batch settings`