Authv2 / handle 404 in Subscription API request (#1203)

Task/Issue URL:
https://app.asana.com/0/1205842942115003/1209234087255045/f
What kind of version bump will this require?: None

**Description**:

`/subscription` API request now can handle both 400 and 404 as a "no
subscription available" instead than only 400.

Author: federicocappelli

Sources/Subscription/API/SubscriptionEndpointServiceV2.swift

@@ -114,7 +114,7 @@ public struct DefaultSubscriptionEndpointServiceV2: SubscriptionEndpointServiceV
             Logger.subscriptionEndpointService.log("Subscription details retrieved successfully: \(subscription.debugDescription, privacy: .public)")
             return try await storeAndAddFeaturesIfNeededTo(subscription: subscription)
         } else {
-            if statusCode == .badRequest {
+            if statusCode == .badRequest || statusCode == .notFound {
                 Logger.subscriptionEndpointService.log("No subscription found")
                 clearSubscription()
                 throw SubscriptionEndpointServiceError.noData