Add LTS updates section (#2984)

* Add Latest LTS Update section to homepage

* Update LTS Update section to feature Integrated help

* Update docs/index.md

Co-authored-by: Tomasz Dąbrowski <[email protected]>

---------

Co-authored-by: Tomasz Dąbrowski <[email protected]>

Author: mnocon

docs/index.md

@@ -89,11 +89,11 @@
         <div class="col-12 col-lg-6">
             <div class="notification notification--lts-update" id="tile3">
                 <div class="notification__content">
-                    <h2>The newest LTS Update is Collaborative editing</h2>
-                    <div>Use it to let multiple users work on the same content simultaneously.</div>
+                    <h2>The newest LTS Update is Integrated help</h2>
+                    <div>Access contextual documentation, guidance, and resources right from the user interface.</div>
                 </div>
                 <div class="notification__cta">
-                    <a href="content_management/collaborative_editing/collaborative_editing_guide">Learn more about this LTS Update</a>
+                    <a href="administration/back_office/integrated_help">Learn more about this LTS Update</a>
                     <a href="ibexa_products/editions#lts-updates">Discover other LTS Updates</a>
                 </div>
                 <div class="notification__image">