test(integ): add Stickiness to list of expect lb web service params (#1405)

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Author: efekarakus

internal/pkg/deploy/cloudformation/stack/testdata/autoscaling/autoscaling-svc-cf.params.json

@@ -14,7 +14,8 @@
     "HealthCheckPath": "/",
     "HTTPSEnabled": "true",
     "TargetContainer": "my-svc",
-    "TargetPort": "5000"
+    "TargetPort": "5000",
+    "Stickiness": "false"
   },
   "Tags": { 
     "copilot-application": "my-app",