Update opentelemetry-instrumentation-openai-v2 version to v2.4b0 (#4053)

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: otelbot[bot]

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

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## Version 2.3b0 (2025-12-24)
+
 - Fix `AttributeError` when handling `LegacyAPIResponse` (from `with_raw_response`)
   ([#4017](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/4017))
 - Add support for chat completions choice count and stop sequences span attributes

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__ = "2.3b0.dev"
+__version__ = "2.4b0.dev"