Fix broken link (#9244)

* Fix broken link

* fix another broken link

Author: mairaw

release-notes/README.md

@@ -4,14 +4,14 @@ The following [.NET releases](../releases.md) are currently supported:
 
 |  Version  | Release Date | Support | Latest Patch Version | End of Support |
 | :-- | :-- | :-- | :-- | :-- |
-| [.NET 9](release-notes/9.0/README.md) | November 12, 2024 | [STS][policies] | [9.0.0-preview.2][9.0.0-preview.2] |  |
+| [.NET 9](9.0/README.md) | November 12, 2024 | [STS][policies] | [9.0.0-preview.2][9.0.0-preview.2] |  |
 | [.NET 8](8.0/README.md) | [November 14, 2023](https://devblogs.microsoft.com/dotnet/announcing-dotnet-8/) | [LTS][policies] | [8.0.3][8.0.3] | November 10, 2026 |
 | [.NET 7](7.0/README.md) | [November 8, 2022](https://devblogs.microsoft.com/dotnet/announcing-dotnet-7/) | [STS][policies] | [7.0.17][7.0.17] | May 14, 2024 |
 | [.NET 6](6.0/README.md) | [November 8, 2021](https://devblogs.microsoft.com/dotnet/announcing-net-6/) | [LTS][policies] | [6.0.28][6.0.28]  | November 12, 2024 |
 
 You can find release notes for all releases, including out-of-support releases, in the [release-notes](.) directory.
 
-[9.0.0-preview.2]: release-notes/9.0/preview/preview2/9.0.0-preview.2.md
+[9.0.0-preview.2]: 9.0/preview/preview2/9.0.0-preview.2.md
 [8.0.3]: 8.0/8.0.3/8.0.3.md
 [7.0.17]: 7.0/7.0.17/7.0.17.md
 [6.0.28]: 6.0/6.0.28/6.0.28.md