chore(changelog): Added pull request link

Author: javferrod

CHANGELOG.md

@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `opentelemetry-instrumentation-logging` Add `otelTraceSampled` to instrumetation-logging
   ([#1773](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1773))
 - `opentelemetry-instrumentation-kafka-python` Add instrumentation to `consume` method
+  ([#1786](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1786))
 
 ### Fixed