build(deps): bump NuGet.Frameworks from 6.8.0-rc.117 to 6.8.0-rc.121 (d…

…otnet#9250)

Bumps [NuGet.Frameworks](https://github.com/NuGet/NuGet.Client) from 6.8.0-rc.117 to 6.8.0-rc.121.
- [Release notes](https://github.com/NuGet/NuGet.Client/releases)
- [Commits](https://github.com/NuGet/NuGet.Client/commits)

---
updated-dependencies:
- dependency-name: NuGet.Frameworks
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Directory.Packages.props

@@ -41,8 +41,8 @@
     <PackageVersion Include="Magick.NET-Q16-AnyCPU" Version="13.3.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
     <PackageVersion Include="Microsoft.Playwright" Version="1.37.1" />
-    <PackageVersion Include="NuGet.Frameworks" Version="6.8.0-rc.117" Condition="'$(TargetFramework)' != 'net8.0'"  />
-    <PackageVersion Include="NuGet.Frameworks" Version="6.8.0-rc.117" Condition="'$(TargetFramework)' == 'net8.0'"  />
+    <PackageVersion Include="NuGet.Frameworks" Version="6.8.0-rc.121" Condition="'$(TargetFramework)' != 'net8.0'"  />
+    <PackageVersion Include="NuGet.Frameworks" Version="6.8.0-rc.121" Condition="'$(TargetFramework)' == 'net8.0'"  />
     <PackageVersion Include="Verify.DiffPlex" Version="2.2.1" />
     <PackageVersion Include="Verify.Xunit" Version="21.2.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.1" />