Add the method BytesCloudEventData#wrap to be consistent with cloudevents#289

Signed-off-by: Francesco Guardiani <francescoguard@gmail.com>

Author: slinkydeveloper

core/src/main/java/io/cloudevents/core/data/BytesCloudEventData.java

@@ -9,6 +9,9 @@ public class BytesCloudEventData implements CloudEventData {
 
     private final byte[] value;
 
+    /**
+     * @deprecated use {@link BytesCloudEventData#wrap(byte[])}
+     */
     public BytesCloudEventData(byte[] value) {
         Objects.requireNonNull(value);
         this.value = value;
@@ -38,4 +41,12 @@ public String toString() {
             "value=" + Arrays.toString(value) +
             '}';
     }
+
+    /**
+     * @param value byte array to wrap
+     * @return byte array wrapped in a {@link BytesCloudEventData}, which implements {@link CloudEventData}.
+     */
+    public BytesCloudEventData wrap(byte[] value) {
+        return new BytesCloudEventData(value);
+    }
 }