update RELEASE.md

RELEASE.md

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 * Updated FATE-Client and FATE-Test for new FATE-Flow
 * Upgraded early stopping strategy: record best model for each metric
 
+> Fate-Flow
+* Optimize the model center, reconstruct publishing model, support deploy, load, bind, migrate operations, and add new interfaces such as model info
+* Improve identity authentication and resource authorization, support party identity verification, and participate in the authorization of roles and components
+* Optimize and fix resource manager, add task_cores job parameters to adapt to different computing engines
+
+> Eggroll
+* In one-way communication mode, add party identity authentication function, which needs to be used with FATE-Cloud
+
+> Deploy
+* Support 1.5.0 retain data upgrade to 1.5.1
+
 ## Bug Fixes
 * Fix predict-cache in SecureBoost validation
+* Fix job clean CLI
 
 # Release 1.5.0（LTS）
 ## Major Features and Improvements