Copy changelog updates from package-release/opentelemetry-instrumentation-openai-v2/v2.0bx (#2982)

Author: opentelemetrybot

instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
-## Version 2.0b0 (2024-11-05)
+## Version 2.0b0 (2024-11-08)
 
 - Use generic `OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT` environment variable
   to control if content of prompt, completion, and other messages is captured.