Changelog for enforcing 1 distro+configurator

Author: NathanielRN

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v1.3.0-0.22b0...HEAD)
+- `opentelemetry-instrumentation` Enforce 1 distro+configurator for auto instrumentation
+  ([#71](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/571))
 - `opentelemetry-sdk-extension-aws` Update AWS entry points to match spec
   ([#566](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/566))
 - Include Flask 2.0 as compatible with existing flask instrumentation