Use vararg

Author: garydgregory

src/test/java/org/apache/commons/io/input/BOMInputStreamTest.java

@@ -415,7 +415,7 @@ public void testNoBoms() throws Exception {
         assertThrows(IllegalArgumentException.class, () -> BOMInputStream.builder()
                 .setInputStream(createUtf8Input(data, true))
                 .setInclude(true)
-                .setByteOrderMarks(new ByteOrderMark[0])
+                .setByteOrderMarks()
                 .get()
                 .close());
     }