fix(java): place bean-validation @Valid on the type argument instead of the container (HV000271) - #24176

[removal] messageConverters(Consumer<List<HttpMessageConverter<?>>>) in Builder has been deprecated and marked for removal

[removal] MappingJackson2HttpMessageConverter in org.springframework.http.converter.json has been deprecated and marked for removal

messageConverters(java.util.function.Consumer<java.util.List<org.springframework.http.converter.HttpMessageConverter<?>>>) in org.springframework.web.client.RestClient.Builder has been deprecated and marked for removal