updating the cluster revision number for the onoff for silabs wifi (#32505)

diff --git a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
index 9008359..e1c93f1 100644
--- a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
+++ b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
@@ -2597,7 +2597,7 @@
     callback attribute eventList;
     callback attribute attributeList;
     ram      attribute featureMap default = 1;
-    ram      attribute clusterRevision default = 5;
+    ram      attribute clusterRevision default = 6;
 
     handle command Off;
     handle command On;
diff --git a/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap b/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
index f7e7d2f..4893d15 100644
--- a/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
+++ b/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
@@ -3377,7 +3377,7 @@
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "5",
+              "defaultValue": "6",
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,