Add changelog entry

Author: saville

CHANGELOG.md

@@ -37,6 +37,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2705](https://github.com/open-telemetry/opentelemetry-python/pull/2705))
 - Add entrypoint for metrics exporter
   ([#2748](https://github.com/open-telemetry/opentelemetry-python/pull/2748))
+- Fix Jaeger propagator usage with NonRecordingSpan
+  ([#2762](https://github.com/open-telemetry/opentelemetry-python/pull/2762))
 
 ## [1.12.0rc1-0.31b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.12.0rc1-0.31b0) - 2022-05-17