[main] Update dependencies from dotnet/roslyn (#14206)

This pull request updates the following dependencies

[marker]: <> (Begin:8a4332aa-2543-4c51-b941-e73f31e22328)
## From https://github.com/dotnet/roslyn
- **Subscription**:
[8a4332aa-2543-4c51-b941-e73f31e22328](https://maestro.dot.net/subscriptions?search=8a4332aa-2543-4c51-b941-e73f31e22328)
- **Build**:
[20260628.17](https://dev.azure.com/dnceng/internal/_build/results?buildId=3010028)
([320553](https://maestro.dot.net/channel/548/github:dotnet:roslyn/build/320553))
- **Date Produced**: June 28, 2026 9:38:55 AM UTC
- **Commit**:
[411469b8cd5e1ac891644ef6e3bf5cc8fa7943cc](dotnet/roslyn@411469b)
- **Branch**: [main](https://github.com/dotnet/roslyn/tree/main)

[DependencyUpdate]: <> (Begin)

- **Dependency Updates**:
  - From [5.9.0-1.26319.6 to 5.9.0-1.26328.17][1]
     - Microsoft.Net.Compilers.Toolset

[1]: dotnet/roslyn@db649bc...411469b

[DependencyUpdate]: <> (End)


[marker]: <> (End:8a4332aa-2543-4c51-b941-e73f31e22328)

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.props

@@ -9,7 +9,7 @@ This file should be imported by eng/Versions.props
     <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26324.4</MicrosoftDotNetArcadeSdkPackageVersion>
     <MicrosoftDotNetXUnitV3ExtensionsPackageVersion>10.0.0-beta.26324.4</MicrosoftDotNetXUnitV3ExtensionsPackageVersion>
     <!-- dotnet-roslyn dependencies -->
-    <MicrosoftNetCompilersToolsetPackageVersion>5.9.0-1.26319.6</MicrosoftNetCompilersToolsetPackageVersion>
+    <MicrosoftNetCompilersToolsetPackageVersion>5.9.0-1.26328.17</MicrosoftNetCompilersToolsetPackageVersion>
     <!-- dotnet-runtime dependencies -->
     <SystemCodeDomPackageVersion>10.0.8</SystemCodeDomPackageVersion>
     <SystemCollectionsImmutablePackageVersion>10.0.8</SystemCollectionsImmutablePackageVersion>

eng/Version.Details.xml

@@ -120,9 +120,9 @@
       <Uri>https://github.com/nuget/nuget.client</Uri>
       <Sha>cb56946c2b640233513200754ed2948ef0e4880b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.9.0-1.26319.6">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.9.0-1.26328.17">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>db649bc3ca504bd1236a119d1cd86c7f8050e95b</Sha>
+      <Sha>411469b8cd5e1ac891644ef6e3bf5cc8fa7943cc</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XUnitV3Extensions" Version="10.0.0-beta.26324.4">
       <Uri>https://github.com/dotnet/arcade</Uri>