Update CHANGELOG

Author: DylanRussell

instrumentation-genai/opentelemetry-instrumentation-vertexai/CHANGELOG.md

@@ -14,6 +14,8 @@ users will need to set the environment variable OTEL_SEMCONV_STABILITY_OPT_IN to
   ([#3328](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3328))
 - VertexAI support for async calling
   ([#3386](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3386))
+  - `opentelemetry-instrumentation-vertexai`: migrate off the deprecated events API to use the logs API
+  ([#3625](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3626))
 
 ## Version 2.0b0 (2025-02-24)
 

util/opentelemetry-util-genai/CHANGELOG.md

@@ -15,6 +15,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3795](#3795))
 - Make inputs / outputs / system instructions optional params to `on_completion`,
   ([https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3802](#3802)).
+  - `opentelemetry-instrumentation-google-genai`: migrate off the deprecated events API to use the logs API
+  ([#3625](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3624))
+
 
 ## Version 0.1b0 (2025-09-25)