Bump SharpZipLib in /samples/ICSharpCode.SharpZipLib.Samples/cs/zf (#711)

Bumps [SharpZipLib](https://github.com/icsharpcode/SharpZipLib) from 1.3.1 to 1.3.3.
- [Release notes](https://github.com/icsharpcode/SharpZipLib/releases)
- [Changelog](https://github.com/icsharpcode/SharpZipLib/blob/master/docs/Changes.txt)
- [Commits](v1.3.1...v1.3.3)

---
updated-dependencies:
- dependency-name: SharpZipLib
  dependency-type: direct:production
...

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samples/ICSharpCode.SharpZipLib.Samples/cs/zf/zf.csproj

@@ -85,7 +85,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="SharpZipLib">
-      <Version>1.3.1</Version>
+      <Version>1.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />