updated assets names

Author: GiselleNessi

apps/portal/src/app/account/billing/assets/invoices-billing.png renamed to apps/portal/src/app/account/billing/assets/invoices-settings.png

@@ -1,8 +1,8 @@
 import { DocImage } from "@doc";
 import billingSettings from "../assets/billing-settings.png";
-import invoicesSettings from "../assets/invoices-billing.png";
-import usageSettings from "../assets/usage-overview.png";
-import storageSettings from "../assets/usage-storage.png";
+import invoicesSettings from "../assets/invoices-settings.png";
+import usageSettings from "../assets/usage-settings.png";
+import storageSettings from "../assets/storage-settings.png";
 
 
 import { createMetadata } from "@doc";