Add changelog entry

Signed-off-by: Juraci Paixão Kröhling <[email protected]>

CHANGELOG.md

@@ -28,10 +28,8 @@
 
 - Components stability levels are now logged. By default components which haven't defined their stability levels, or which are
   unmaintained, deprecated or in development will log a message. (#5580)
-
-### 💡 Enhancements 💡
-
 - `exporter/logging`: Skip "bad file descriptor" sync errors (#5585)
+- `client`: perform case insensitive lookups in case the requested metadata value isn't found (#5646)
 
 ### 🧰 Bug fixes 🧰