fix changelog (#1683)

CHANGELOG.md

@@ -10,11 +10,6 @@ internal API changes are not present.
 Main (unreleased)
 -----------------
 
-### Enhancements
-
-- Add the label `alloy_cluster` in the metric `alloy_config_hash` when the flag `cluster.name` is set to help differentiate between
-  configs from the same alloy cluster or different alloy clusters. (@wildum)
-
 v1.4.0-rc.0
 -----------------
 
@@ -64,6 +59,9 @@ v1.4.0-rc.0
 
 - `prometheus.exporter.cloudwatch` can now collect metrics from custom namespaces via the `custom_namespace` block. (@ptodev)
 
+- Add the label `alloy_cluster` in the metric `alloy_config_hash` when the flag `cluster.name` is set to help differentiate between
+  configs from the same alloy cluster or different alloy clusters. (@wildum)
+
 ### Bugfixes
 
 - Fix a bug where the scrape timeout for a Probe resource was not applied, overwriting the scrape interval instead. (@morremeyer, @stefanandres)