Add to changelog

Author: marcuslimdw

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- `opentelemetry-instrumentation-asyncpg` Allow AsyncPGInstrumentor to be instantiated multiple times
 - `opentelemetry-resource-detector-azure` Added 10s timeout to VM Resource Detector
   ([#2119](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2119))
 - `opentelemetry-instrumentation-confluent-kafka` Add support for higher versions until 2.3.0 of confluent_kafka