update changelogs

Author: pkanal

CHANGELOG.md

@@ -9,6 +9,7 @@ All notable changes to this project will be documented in this file.
 ### :rocket: (Enhancement)
 
 * feat(sdk-trace): re-export sdk-trace-base in sdk-trace-node and web [#3319](https://github.com/open-telemetry/opentelemetry-js/pull/3319) @legendecas
+* feat: enable tree shaking [#3329](https://github.com/open-telemetry/opentelemetry-js/pull/3329) @pkanal
 
 ### :bug: (Bug Fix)
 

experimental/CHANGELOG.md

@@ -9,6 +9,7 @@ All notable changes to experimental packages in this project will be documented
 ### :rocket: (Enhancement)
 
 * feat(sdk-node): configure trace exporter with environment variables [#3143](https://github.com/open-telemetry/opentelemetry-js/pull/3143) @svetlanabrennan
+* feat: enable tree shaking [#3329](https://github.com/open-telemetry/opentelemetry-js/pull/3329) @pkanal
 
 ### :bug: (Bug Fix)