Update opentelemetry/CHANGELOG.md

Author: cijothomas

opentelemetry/CHANGELOG.md

@@ -28,7 +28,7 @@ gains, and avoids `IndexMap` dependency. This affects `body` and `attributes` of
   value.
   [#1421](https://github.com/open-telemetry/opentelemetry-rust/pull/1421)
 - Turned off events for NoopLogger to save on operations
-  [1455](https://github.com/open-telemetry/opentelemetry-rust/issues/1455)
+  [1455](https://github.com/open-telemetry/opentelemetry-rust/pull/1455)
 
 ### Removed