[Backport v5.5] DOCSP-52062 Java RS Index Title (#151)

Author: github-actions[bot]

source/index.txt

@@ -1,8 +1,8 @@
 .. _java-rs-index:
 
-===========================================
-MongoDB Java Reactive Streams Documentation
-===========================================
+======================
+MongoDB Java RS Driver
+======================
 
 .. facet::
    :name: programming_language
@@ -147,4 +147,4 @@ How To Get Help
 
 - Ask questions on our :community-forum:`MongoDB Community Forums <>`
 - Visit our :technical-support:`Support Channels </>`
-- See :driver:`Issues & Help </java/sync/current/issues-and-help/>`
+- See :driver:`Issues & Help </java/sync/current/issues-and-help/>`