Update CHANGELOG.md

Author: joshowen

Diff for: CHANGELOG.md

@@ -10,8 +10,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 > Use [this search for a list of all CHANGELOG.md files in this repo](https://github.com/search?q=repo%3Aopen-telemetry%2Fopentelemetry-python-contrib+path%3A**%2FCHANGELOG.md&type=code).
 
 ## Unreleased
-- `opentelemetry-instrumentation-psycopg2` Add support for psycopg2-binary
-  ([#3186](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3186))
 
 ### Added
 
@@ -41,6 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3129](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3129))
 - `opentelemetry-util-http` Add `py.typed` file to enable PEP 561
   ([#3127](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3127))
+- `opentelemetry-instrumentation-psycopg2` Add support for psycopg2-binary
+  ([#3186](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3186))
 
 ### Fixed