Merge pull request #738 from microsoft/psl-pk-scaleinstance

fix: reduced the replica instance count to 1 for WAF version

Author: Prajwal-Microsoft

infra/main.bicep

@@ -1066,7 +1066,8 @@ module webServerFarm 'br/public:avm/res/web/serverfarm:0.5.0' = {
     diagnosticSettings: enableMonitoring ? [{ workspaceResourceId: logAnalyticsWorkspaceResourceId }] : null
     // WAF aligned configuration for Scalability
     skuName: enableScalability || enableRedundancy ? 'P1v3' : 'B3'
-    skuCapacity: enableScalability ? 3 : 1
+    // skuCapacity: enableScalability ? 3 : 1
+    skuCapacity: 1 // skuCapacity set to 1 (not 3) due to multiple agents created per type during WAF deployment
     // WAF aligned configuration for Redundancy
     zoneRedundant: enableRedundancy ? true : false
   }