Add warning about removal of Strimzi EnvVarConfigProvider and `Iden…

…tityRepicationPolicy` to `CHANGELOG.md` (strimzi#10850)

Signed-off-by: Jakub Scholz <[email protected]>

CHANGELOG.md

@@ -10,6 +10,8 @@
 
 * **Strimzi 0.45 is the last minor Strimzi version with support for ZooKeeper-based Apache Kafka clusters and MirrorMaker 1 deployments.**
   **Please make sure to migrate to KRaft and MirrorMaker 2 before upgrading to Strimzi 0.46 or newer.**
+* **Strimzi 0.45 is the last Strimzi version to include the [Strimzi EnvVar Configuration Provider](https://github.com/strimzi/kafka-env-var-config-provider) (deprecated in Strimzi 0.38.0) and [Strimzi MirrorMaker 2 Extensions](https://github.com/strimzi/mirror-maker-2-extensions) (deprecated in Strimzi 0.28.0).**
+  Please use the Apache Kafka [EnvVarConfigProvider](https://github.com/strimzi/kafka-env-var-config-provider?tab=readme-ov-file#deprecation-notice) and [Identity Replication Policy](https://github.com/strimzi/mirror-maker-2-extensions?tab=readme-ov-file#identity-replication-policy) instead. 
 
 ## 0.44.0