Add missing @since tags to new annotations in the builder package

src/main/java/org/apache/commons/lang3/builder/EqualsExclude.java

@@ -26,6 +26,8 @@
  * Use this annotation to exclude a field from being being used by
  * the various <code>reflectionEquals</code> methods defined on
  * {@link EqualsBuilder}.
+ *
+ * @since 3.5
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.FIELD)

src/main/java/org/apache/commons/lang3/builder/HashCodeExclude.java

@@ -26,6 +26,8 @@
  * Use this annotation to exclude a field from being being used by
  * the various <code>reflectionHashcode</code> methods defined on
  * {@link HashCodeBuilder}.
+ *
+ * @since 3.5
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.FIELD)

src/main/java/org/apache/commons/lang3/builder/ToStringExclude.java

@@ -25,6 +25,8 @@
 /**
  * Use this annotation to exclude a field from being being used by
  * the {@link ReflectionToStringBuilder}.
+ *
+ * @since 3.5
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.FIELD)