Update ms.date to 01/15/2026 for all pri-mittal authored/reviewed files

- Updated ms.date attribute to 01/15/2026 in 70 markdown files
- Updated ms.date attribute to 01/15/2026 in 5 YAML files
- All files where author or reviewer is pri-mittal have been updated

Author: pri-mittal

articles/cost-management-billing/azure-hybrid-benefits/index.yml

@@ -12,7 +12,7 @@ metadata:
   author: pri-mittal
   ms.author: primittal
   ms.reviewer: primittal
-  ms.date: 10/28/2025
+  ms.date: 01/15/2026
 
 highlightedContent:
 # top-level single cards with predefined symbols

articles/cost-management-billing/manage/understand-vm-reservation-charges.md

@@ -8,7 +8,7 @@ metadata:
   ms.service: cost-management-billing
   ms.subservice: reservations
   ms.topic: faq
-  ms.date: 10/28/2025
+  ms.date: 01/15/2026
   ms.author: primittal
 title: Azure Reservations and Savings Plan frequently asked questions (FAQ)
 summary: |