Updated version to 2.3.0

Author: pranavrth

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "confluent-kafka"
-version = "2.1.1"
+version = "2.3.0"
 description = "\"Confluent's Python client for Apache Kafka\""
 classifiers = [
     "Development Status :: 5 - Production/Stable",