Fix CA1062: Validate arguments of public methods

Author: bkoelman

src/JsonApiDotNetCore.OpenApi.Client.Kiota/SetQueryStringHttpMessageHandler.cs

@@ -13,11 +13,15 @@ public sealed class SetQueryStringHttpMessageHandler : DelegatingHandler
 
     public IDisposable CreateScope(IDictionary<string, string?> queryString)
     {
+        ArgumentNullException.ThrowIfNull(queryString);
+
         return new QueryStringScope(this, queryString);
     }
 
     protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
     {
+        ArgumentNullException.ThrowIfNull(request);
+
         if (_queryString is { Count: > 0 } && request.RequestUri != null)
         {
             request.RequestUri = new Uri(QueryHelpers.AddQueryString(request.RequestUri.ToString(), _queryString));

src/JsonApiDotNetCore.OpenApi.Client.NSwag/JsonApiClient.cs

@@ -28,6 +28,7 @@ public IDisposable WithPartialAttributeSerialization<TRequestDocument, TAttribut
         where TRequestDocument : class
     {
         ArgumentGuard.NotNull(requestDocument);
+        ArgumentGuard.NotNull(alwaysIncludedAttributeSelectors);
 
         HashSet<string> attributeNames = [];