Fix Arrays import

See gh-41489

Author: philwebb

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/json/JsonValueWriter.java

@@ -19,13 +19,12 @@
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.util.ArrayDeque;
+import java.util.Arrays;
 import java.util.Deque;
 import java.util.Map;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
-import org.assertj.core.util.Arrays;
-
 import org.springframework.boot.json.JsonWriter.WritableJson;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.function.ThrowingConsumer;