Add changelog entry

CHANGELOG.md

@@ -37,6 +37,7 @@
 * [ENHANCEMENT] All: improved IPv6 support by using the proper host:port formatting. #6311
 * [ENHANCEMENT] Querier: always return error encountered during chunks streaming, rather than `the stream has already been exhausted`. #6345
 * [ENHANCEMENT] Query-frontend: add `instance_enable_ipv6` to support IPv6. #6111
+* [ENHANCEMENT] Store-gateway: return same detailed error messages as queriers when chunks or series limits are reached. #6347
 * [BUGFIX] Ring: Ensure network addresses used for component hash rings are formatted correctly when using IPv6. #6068
 * [BUGFIX] Query-scheduler: don't retain connections from queriers that have shut down, leading to gradually increasing enqueue latency over time. #6100 #6145
 * [BUGFIX] Ingester: prevent query logic from continuing to execute after queries are canceled. #6085