updated the k8s training partner with valid link

Author: niranjandarshann

content/hi/training/_index.html

@@ -149,6 +149,6 @@ <h2>कुबेरनेट्स ट्रेनिंग पार्टन
     </center>
   </div>
   <div class="main-section landscape-section">
-    {{< cncf-landscape helpers=false category="kubernetes-training-partner" >}}
+    {{< cncf-landscape helpers=false category="special--kubernetes-training-partner" >}}
   </div>
 </div>