Bump SixLabors.ImageSharp from 2.1.6 to 2.1.7 in /samples/Samples.Upload (#1127)

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Author: dependabot[bot]

samples/Samples.Upload/Samples.Upload.csproj

@@ -8,7 +8,7 @@
  </PropertyGroup>
 
  <ItemGroup>
- <PackageReference Include="SixLabors.ImageSharp" Version="2.1.6" />
+ <PackageReference Include="SixLabors.ImageSharp" Version="2.1.7" />
  </ItemGroup>
 
  <ItemGroup>