Fix #6970 IDictionary<string, object> output schema inference

src/HotChocolate/Core/src/Types/Types/Scalars/Scalars.cs

@@ -17,13 +17,17 @@ public static class Scalars
         { typeof(DateOnly), typeof(LocalDateType) },
         { typeof(DateTime), typeof(DateTimeType) },
         { typeof(DateTimeOffset), typeof(DateTimeType) },
+        { typeof(Dictionary<string, object>), typeof(AnyType) },
         { typeof(decimal), typeof(DecimalType) },
         { typeof(double), typeof(FloatType) },
         { typeof(float), typeof(FloatType) },
         { typeof(Guid), typeof(UuidType) },
+        { typeof(IDictionary<string, object>), typeof(AnyType) },
         { typeof(int), typeof(IntType) },
+        { typeof(IReadOnlyDictionary<string, object>), typeof(AnyType) },
         { typeof(JsonElement), typeof(AnyType) },
         { typeof(long), typeof(LongType) },
+        { typeof(object), typeof(AnyType) },
         { typeof(sbyte), typeof(ByteType) },
         { typeof(short), typeof(ShortType) },
         { typeof(string), typeof(StringType) },

src/HotChocolate/Core/test/Types.Tests/Types/Scalars/Issue6970ReproTests.cs

@@ -0,0 +1,33 @@
+using HotChocolate.Execution;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace HotChocolate.Types;
+
+public class Issue6970ReproTests
+{
+    [Fact]
+    public async Task Schema_With_IDictionary_String_Object_Output_Field_Builds()
+    {
+        var exception = await Record.ExceptionAsync(async () =>
+            await new ServiceCollection()
+                .AddGraphQLServer()
+                .AddQueryType<Query>()
+                .BuildSchemaAsync());
+
+        Assert.Null(exception);
+    }
+
+    public sealed class Query
+    {
+        public PageVOAllergyIntolerance Item => new();
+    }
+
+    public sealed class PageVOAllergyIntolerance
+    {
+        public IDictionary<string, object> Extension { get; } =
+            new Dictionary<string, object>
+            {
+                ["foo"] = "bar"
+            };
+    }
+}