chore(deps): bump the nuget-agent group across 2 directories with 2 u…

…pdates

Bumps the nuget-agent group with 1 update in the /src/Agent/NewRelic.Api.Agent directory: [Microsoft.VisualStudio.Threading.Analyzers](https://github.com/microsoft/vs-threading).
Bumps the nuget-agent group with 1 update in the /src/Agent/NewRelic/Agent/Core directory: [System.Threading.Tasks.Extensions](https://github.com/dotnet/maintenance-packages).


Updates `Microsoft.VisualStudio.Threading.Analyzers` from 17.11.20 to 17.12.19
- [Release notes](https://github.com/microsoft/vs-threading/releases)
- [Commits](https://github.com/microsoft/vs-threading/commits)

Updates `System.Threading.Tasks.Extensions` from 4.5.4 to 4.6.0
- [Release notes](https://github.com/dotnet/maintenance-packages/releases)
- [Commits](https://github.com/dotnet/maintenance-packages/commits)

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Threading.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-agent
- dependency-name: System.Threading.Tasks.Extensions
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-agent
...

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

src/Agent/NewRelic.Api.Agent/NewRelic.Api.Agent.csproj

@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.11.20">
+    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.12.19">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

src/Agent/NewRelic/Agent/Core/Core.csproj

@@ -69,7 +69,7 @@
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">