chore: update changelog

Author: juliusmh

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Grafana Mimir
 
+* [CHANGE] Query-frontend: Add support for utf8 label/metric names in `/api/v1/cardinality/{label_values|label_values|active_series}` endpoints. #11848.
+* [CHANGE] Querier: Add support for utf8 metric names, support utf8 label names in `label_join`, `label_replace` and `count_values` PromQL functions. #11848.
 * [CHANGE] Remove support for Redis as a cache backend. #12163
 * [CHANGE] Memcached: Remove experimental `-<prefix>.memcached.addresses-provider` flag to use alternate DNS service discovery backends. The more reliable backend introduced in 2.16.0 (#10895) is now the default. As a result of this change, DNS-based cache service discovery no longer supports search domains. #12175
 * [FEATURE] Distributor: Add experimental `-distributor.otel-native-delta-ingestion` option to allow primitive delta metrics ingestion via the OTLP endpoint. #11631