fix changelog PR number

Signed-off-by: SungJin1212 <tjdwls1201@gmail.com>

Author: SungJin1212

CHANGELOG.md

@@ -7,7 +7,7 @@
   * Flags: Renamed `-querier.parquet-queryable-shard-cache-size` to `-querier.parquet-shard-cache-size` and `-querier.parquet-queryable-shard-cache-ttl` to `-querier.parquet-shard-cache-ttl`.
   * Config: Renamed `parquet_queryable_shard_cache_size` to `parquet_shard_cache_size` and `parquet_queryable_shard_cache_ttl` to `parquet_shard_cache_ttl`.
 * [FEATURE] StoreGateway: Introduces a new parquet mode. #7046
-* [FEATURE] StoreGateway: Add a parquet shard cache to parquet mode. #7165
+* [FEATURE] StoreGateway: Add a parquet shard cache to parquet mode. #7166
 * [FEATURE] Distributor: Add a per-tenant flag `-distributor.enable-type-and-unit-labels` that enables adding `__unit__` and `__type__` labels for remote write v2 and OTLP requests. This is a breaking change; the `-distributor.otlp.enable-type-and-unit-labels` flag is now deprecated, operates as a no-op, and has been consolidated into this new flag. #7077
 * [ENHANCEMENT] StoreGateway: Add tracings to parquet mode. #7125
 * [ENHANCEMENT] Alertmanager: Upgrade alertmanger to 0.29.0 and add a new incidentIO integration. #7092