update pr link in changelog

Author: awoimbee

CHANGELOG.md

@@ -24,7 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Remove `TestBase.assertEqualSpanInstrumentationInfo` method, use `assertEqualSpanInstrumentationScope` instead
   ([#4310](https://github.com/open-telemetry/opentelemetry-python/pull/4310))
 - Configurable max retry timeout for grpc exporter
-  ([#4328](https://github.com/open-telemetry/opentelemetry-python/pull/4328))
+  ([#4333](https://github.com/open-telemetry/opentelemetry-python/pull/4333))
 
 ## Version 1.28.0/0.49b0 (2024-11-05)