Fix Unicode corruption in sample YAML name generation (#570)

* fix(sample-generator): remove unnecessary unicode-escape decoding for name

* test(sample-generator): add test for creating model with unicode name

tests/schema/test_sample_generator.py

@@ -37,6 +37,11 @@ class TestCreateSampleRendercvPydanticModel:
                 name="John Doe", theme="classic", locale="invalid"
             )
 
+    def test_creates_model_with_unicode_name(self):
+        name = "Matías"
+        data_model = create_sample_rendercv_pydantic_model(name=name)
+        assert data_model.cv.name == name
+
 
 class TestCreateSampleYamlInputFile:
     @pytest.mark.parametrize(