Bump version to 0.4.3 (#592)

* Bump version to 0.4.3

* Update uv.lock in model_converter

Author: tybulewicz

model_api/pyproject.toml

@@ -9,7 +9,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "openvino_model_api"
-version = "0.4.2"
+version = "0.4.3"
 requires-python = ">=3.11"
 authors = [
   {name = "Intel(R) Corporation"},