Temporarily suppress deprecation in message converters customization

Author: snicoll

module/spring-boot-restclient/src/main/java/org/springframework/boot/restclient/autoconfigure/HttpMessageConvertersRestClientCustomizer.java

@@ -45,6 +45,7 @@ public HttpMessageConvertersRestClientCustomizer(HttpMessageConverter<?>... mess
 		this.messageConverters = messageConverters;
 	}
 
+	@SuppressWarnings("removal")
 	@Override
 	public void customize(RestClient.Builder restClientBuilder) {
 		restClientBuilder.messageConverters(this::configureMessageConverters);

module/spring-boot-restclient/src/test/java/org/springframework/boot/restclient/autoconfigure/HttpMessageConvertersRestClientCustomizerTests.java

@@ -62,7 +62,7 @@ void customizeConfiguresMessageConverters() {
 		assertThat(apply(new HttpMessageConvertersRestClientCustomizer(c1, c2), c0)).containsExactly(c1, c2);
 	}
 
-	@SuppressWarnings("unchecked")
+	@SuppressWarnings({ "unchecked", "removal" })
 	private List<HttpMessageConverter<?>> apply(HttpMessageConvertersRestClientCustomizer customizer,
 			HttpMessageConverter<?>... converters) {
 		List<HttpMessageConverter<?>> messageConverters = new ArrayList<>(Arrays.asList(converters));