Update changelog

Signed-off-by: Xiaochao Dong (@damnever) <[email protected]>

CHANGELOG.md

@@ -5,6 +5,7 @@
 * [CHANGE] Store Gateway: Add a new fastcache based inmemory index cache. #5619
 * [CHANGE] Index Cache: Multi level cache backfilling operation becomes async. Added `-blocks-storage.bucket-store.index-cache.multilevel.max-async-concurrency` and `-blocks-storage.bucket-store.index-cache.multilevel.max-async-buffer-size` configs and metric `cortex_store_multilevel_index_cache_backfill_dropped_items_total` for number of dropped items. #5661
 * [CHANGE] Ingester: Disable uploading compacted blocks and overlapping compaction in ingester. #5735
+* [CHANGE] Distributor: Count the number of rate-limited samples in `distributor_samples_in_total`. #5714
 * [FEATURE] Ingester: Add per-tenant new metric `cortex_ingester_tsdb_data_replay_duration_seconds`. #5477
 * [FEATURE] Query Frontend/Scheduler: Add query priority support. #5605
 * [FEATURE] Tracing: Add `kuberesolver` to resolve endpoints address with `kubernetes://` prefix as Kubernetes service. #5731