chore(docs): update Fast Data Control Plane documentation

docs/runtime_suite_applications/fast-data-control-plane/changelog.md

@@ -15,6 +15,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.1.0] - 2024-12-30
+
+### Added
+
+- `HEAD` routes
+- `gRPC` port to `control-plane`'s endpoints
+
 ## [2.0.0] - 2024-12-04
 
 ### Breaking