fix: correct swapped min/max metric names in vdom-resource

The min_guaranteed_value map key was mapped to the _max_value metric
name and vice versa. Any dashboard using these metrics silently
showed inverted values.

Author: Aprazor

pkg/probe/system_vdom-resource.go

@@ -69,12 +69,12 @@ func probeSystemVdomResource(c fortigatehttpclient.FortiHTTP, _ *TargetMetadata)
 		[]string{"vdom", "object"}, nil,
 	)
 	vdomDesc["min_guaranteed_value"] = prometheus.NewDesc(
-		"fortigate_vdom_resource_object_guaranteed_max_value",
+		"fortigate_vdom_resource_object_guaranteed_min_value",
 		"Object Minimum guaranteed value",
 		[]string{"vdom", "object"}, nil,
 	)
 	vdomDesc["max_guaranteed_value"] = prometheus.NewDesc(
-		"fortigate_vdom_resource_object_guaranteed_min_value",
+		"fortigate_vdom_resource_object_guaranteed_max_value",
 		"Object Maximum guaranteed value",
 		[]string{"vdom", "object"}, nil,
 	)