update changelog

Signed-off-by: Brian L. Troutwine <[email protected]>

Author: blt

CHANGELOG.md

@@ -5,9 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-## Changed
-- The `bytes_received` metric in the HTTP blackhole now tracks wire bytes, the
-  former metric is preserved with `decoded_bytes_received`.
+- The `bytes_received` metric in the HTTP and splunk_heck blackholes now tracks
+  wire bytes, the former metric is preserved with `decoded_bytes_received`.
 - Base image is now bookworm, updated from bullseye.
 
 ## [0.25.1]