Suppress warnings in tests.

Signed-off-by: Aref <[email protected]>

Closes: #3901

Author: Aref

spring-data-jpa/src/test/java/org/springframework/data/jpa/convert/threeten/Jsr310JpaConvertersUnitTests.java

@@ -31,7 +31,7 @@
  */
 class Jsr310JpaConvertersUnitTests {
 
-	static Iterable<? extends Object> data() {
+	static Iterable<?> data() {
 
 		return Arrays.asList(new Jsr310JpaConverters.InstantConverter(), //
 				new Jsr310JpaConverters.LocalDateConverter(), //