Prepare release for opentelemetry-instrumentation-openai-v2 v2.0b0 (#2959)

Author: opentelemetrybot

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

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 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
+## Version 2.0b0 (2024-11-05)
 
 - Use generic `OTEL_INSTRUMENTATION_GENAI_CAPTURE_MESSAGE_CONTENT` environment variable
   to control if content of prompt, completion, and other messages is captured.

instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.0b0.dev"
+__version__ = "2.0b0"