updated file name

Author: bandersmsft

articles/cost-management-billing/manage/supported-credit-debit-cards.md renamed to articles/cost-management-billing/manage/supported-payment-methods.md

@@ -242,7 +242,7 @@
     - name: Add, update, or delete payment method
       href: manage/change-credit-card.md
     - name: Supported payment methods
-      href: manage/supported-credit-debit-cards.md
+      href: manage/supported-payment-methods.md
     - name: View payment history
       href: manage/view-payment-history.md
   - name: Troubleshoot billing