update date for blog post

Author: cozminu

…/blog/2026-03-19-open-payments-dotnet.md …/blog/2026-03-31-open-payments-dotnet.mdsrc/content/blog/2026-03-19-open-payments-dotnet.md renamed to src/content/blog/2026-03-31-open-payments-dotnet.md src/content/blog/2026-03-19-open-payments-dotnet.md renamed to src/content/blog/2026-03-31-open-payments-dotnet.md

@@ -1,7 +1,7 @@
 ---
 title: 'Open Payments meet .NET'
 description: 'Integrate Open Payments into your stack with native DI, full type safety and automatic GNAP signatures.'
-date: 2026-03-19
+date: 2026-03-31
 slug: open-payments-dotnet-sdk
 authors:
   - Cozmin Ungureanu