Bump NuGet.Packaging in /tst/Codelyzer.Analysis.Tests

Bumps [NuGet.Packaging](https://github.com/NuGet/NuGet.Client) from 6.0.0 to 6.1.0.
- [Release notes](https://github.com/NuGet/NuGet.Client/releases)
- [Commits](https://github.com/NuGet/NuGet.Client/commits)

---
updated-dependencies:
- dependency-name: NuGet.Packaging
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/Analysis/Codelyzer.Analysis.Build/Codelyzer.Analysis.Build.csproj

@@ -10,7 +10,7 @@
       <PackageReference Include="Buildalyzer" Version="4.1.3" />
       <PackageReference Include="Buildalyzer.Logger" Version="4.1.3" />
       <PackageReference Include="Buildalyzer.Workspaces" Version="4.1.3" />
-      <PackageReference Include="NuGet.Packaging" Version="6.0.0" />
+      <PackageReference Include="NuGet.Packaging" Version="6.1.0" />
       <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
     </ItemGroup>