bump NuGet.Protocol from 6.11.1 to 6.12.1

Bumps [NuGet.Protocol](https://github.com/NuGet/NuGet.Client) from 6.11.1 to 6.12.1.
- [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-minor
...

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

Author: dependabot[bot]

src/Cli/Cli.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NuGet.Protocol" Version="6.11.1" />
+    <PackageReference Include="NuGet.Protocol" Version="6.12.1" />
     <PackageReference Include="NuGetizer" Version="1.2.3" PrivateAssets="all" />
     <PackageReference Include="Spectre.Console.Cli" Version="0.49.1" />
     <PackageReference Include="ThisAssembly.Git" Version="2.0.3" PrivateAssets="all" />

src/Commands/Commands.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="Devlooped.Web" Version="1.3.0" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
-    <PackageReference Include="NuGet.Protocol" Version="6.11.1" />
+    <PackageReference Include="NuGet.Protocol" Version="6.12.1" />
     <PackageReference Include="NuGetizer" Version="1.2.3" PrivateAssets="all" />
     <PackageReference Include="Polly" Version="8.4.2" />
     <PackageReference Include="Spectre.Console.Cli" Version="0.49.1" />