chore: set secondary storage to 300gb.10iops-tier in landing zone override json (#144)

Author: NatarajBTI

override-json-file/override.json

@@ -23,7 +23,7 @@
 			"manage_all_addons": false,
 			"name": "workload-cluster",
 			"resource_group": "workload-rg",
-			"secondary_storage": null,
+			"secondary_storage": "300gb.10iops-tier",
 			"subnet_names": [
 				"vsi-zone-1",
 				"vsi-zone-2",