Merge branch 'master' into master

Signed-off-by: Ben Ye <benye@amazon.com>

CHANGELOG.md

@@ -54,6 +54,7 @@
 * [ENHANCEMENT] Querier: Add new `cortex_querier_codec_response_size` metric to track the size of the encoded query responses from queriers. #6444
 * [ENHANCEMENT] Distributor: Added `cortex_distributor_received_samples_per_labelset_total` metric to calculate ingestion rate per label set. #6443
 * [ENHANCEMENT] Added metric name in limiter per-metric exceeded errors. #6416
+* [ENHANCEMENT] StoreGateway: Added `cortex_bucket_store_indexheader_load_duration_seconds` and `cortex_bucket_store_indexheader_download_duration_seconds` metrics for time of downloading and loading index header files. #6445
 * [BUGFIX] Runtime-config: Handle absolute file paths when working directory is not / #6224
 * [BUGFIX] Ruler: Allow rule evaluation to complete during shutdown. #6326
 * [BUGFIX] Ring: update ring with new ip address when instance is lost, rejoins, but heartbeat is disabled.  #6271