Bump Microsoft.Build.Framework from 16.8.0 to 16.9.0

Bumps [Microsoft.Build.Framework](https://github.com/microsoft/msbuild) from 16.8.0 to 16.9.0.
- [Release notes](https://github.com/microsoft/msbuild/releases)
- [Commits](https://github.com/microsoft/msbuild/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Tests/IncorrectRedirectToGac/IncorrectRedirectToGac.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Build.Framework" Version="16.8.0" />
+    <PackageReference Include="Microsoft.Build.Framework" Version="16.9.0" />
   </ItemGroup>
 
 </Project>