Updated CHANGEDLOG.md

Author: VamsiKrishna1211

CHANGELOG.md

@@ -53,6 +53,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2474](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2474))
 - `opentelemetry-instrumentation-elasticsearch` Improved support for version 8
   ([#2420](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2420))
+- `opentelemetry-instrumentation-grpc` Fixes the issue with the gRPC instrumentation not working with the 1.63.0 and higher version of gRPC
+  ([#2483](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2484))
 
 ## Version 1.24.0/0.45b0 (2024-03-28)