Bump NuGet.Protocol from 5.11.0 to 6.0.0

Bumps [NuGet.Protocol](https://github.com/NuGet/NuGet.Client) from 5.11.0 to 6.0.0.
- [Release notes](https://github.com/NuGet/NuGet.Client/releases)
- [Commits](https://github.com/NuGet/NuGet.Client/commits)

---
updated-dependencies:
- dependency-name: NuGet.Protocol
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/dotnet-tor/dotnet-tor.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta1.21216.1" />
     <PackageReference Include="ThisAssembly" Version="1.0.9" />
-    <PackageReference Include="NuGet.Protocol" Version="5.11.0" />
+    <PackageReference Include="NuGet.Protocol" Version="6.0.0" />
     <PackageReference Include="Spectre.Console" Version="0.42.0" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Include="Knapcode.TorSharp" Version="2.8.1" />