Update Kapua version to 1.2.4 - fix navbar

Change-Id: I19093562478a52938b7105b303d634e72370144b
Signed-off-by: Claudio Mezzasalma <claudio.mezzasalma@eurotech.com>
diff --git a/navbar.php b/navbar.php
index 0e3f47f..d45233e 100644
--- a/navbar.php
+++ b/navbar.php
@@ -10,6 +10,6 @@
 <div class="newsticker-container">
   <span class="newsticker-header">Latest News</span>
   <span class="marquee">
-    15/07/2020 - <a href="https://github.com/eclipse/kapua/releases/tag/1.2.4">Kapua 1.2. has been released!</a>
+    15/07/2020 - <a href="https://github.com/eclipse/kapua/releases/tag/1.2.4">Kapua 1.2.4 has been released!</a>
   </span>
 </div>