Update changelog

Signed-off-by: Charlie Le <[email protected]>

Author: CharlieTLe

CHANGELOG.md

@@ -12,6 +12,7 @@
 * [ENHANCEMENT] Ingester: Add new API `/ingester/all_user_stats` which shows loaded blocks, active timeseries and ingestion rate for a specific ingester. #6178
 * [ENHANCEMENT] Distributor: Add new `cortex_reduced_resolution_histogram_samples_total` metric to track the number of histogram samples which resolution was reduced. #6182
 * [ENHANCEMENT] StoreGateway: Implement metadata API limit in queryable. #6195
+* [BUGFIX] Runtime-config: Handle absolute file paths when working directory is not / #6224
 
 ## 1.18.0 2024-09-03