Add next minor version 8.9

Author: mayya-sharipova

lucene/core/src/java/org/apache/lucene/util/Version.java

@@ -161,6 +161,13 @@ public final class Version {
    */
   @Deprecated public static final Version LUCENE_8_8_2 = new Version(8, 8, 2);
 
+  /**
+   * Match settings and bugs in Lucene's 8.9.0 release.
+   *
+   * @deprecated Use latest
+   */
+  @Deprecated public static final Version LUCENE_8_9_0 = new Version(8, 9, 0);
+
   /**
    * Match settings and bugs in Lucene's 9.0.0 release.
    *