update packages

DotNetSolutionTools.Core/Infrastructure/NugetLookup.cs

@@ -0,0 +1,26 @@
+using NuGet.Common;
+using NuGet.Protocol;
+using NuGet.Protocol.Core.Types;
+using NuGet.Versioning;
+
+namespace DotNetSolutionTools.Core.Infrastructure;
+
+public static class NugetLookup
+{
+    public static async Task<NuGetVersion> FetchPackageMetadataAsync(string packageId)
+    {
+        var cache = new SourceCacheContext();
+        var repositories = Repository.Factory.GetCoreV3("https://api.nuget.org/v3/index.json");
+        var logger = NullLogger.Instance;
+
+        var resource = await repositories.GetResourceAsync<FindPackageByIdResource>();
+        var versions = await resource.GetAllVersionsAsync(
+            packageId,
+            cache,
+            logger,
+            CancellationToken.None
+        );
+
+        return versions.Last(s => s.IsPrerelease == false);
+    }
+}