[kafka-python] Update to 3.0.11 (#16226)

Author: donbarbos

stubs/kafka-python/METADATA.toml

@@ -1,2 +1,2 @@
-version = "3.0.10"
+version = "3.0.11"
 upstream-repository = "https://github.com/dpkp/kafka-python"

stubs/kafka-python/kafka/serializer/json.pyi

@@ -1,5 +1,5 @@
-from .abstract import Deserializer, Serializer
+from .default import DefaultSerializer
 
-class JsonSerializer(Serializer, Deserializer):
+class JsonSerializer(DefaultSerializer):
     def serialize(self, topic: str, headers: list[tuple[str, bytes]], data): ...
     def deserialize(self, topic: str, headers: list[tuple[str, bytes]], data): ...