Bump NuGet.Protocol and NuGet.Resolver (#25)

Bumps NuGet.Protocol from 6.12.1 to 6.14.0
Bumps NuGet.Resolver from 6.12.1 to 6.14.0

---
updated-dependencies:
- dependency-name: NuGet.Protocol
  dependency-version: 6.14.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: NuGet.Resolver
  dependency-version: 6.14.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -13,8 +13,8 @@
     <!-- Roslyn Scripting -->
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.14.0" />
     <!-- NuGet Client Libraries -->
-    <PackageVersion Include="NuGet.Protocol" Version="6.12.1" />
-    <PackageVersion Include="NuGet.Resolver" Version="6.12.1" />
+    <PackageVersion Include="NuGet.Protocol" Version="6.14.0" />
+    <PackageVersion Include="NuGet.Resolver" Version="6.14.0" />
     <!-- Testing -->
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.10.0" />