chore: import upstream snapshot with attribution

dotnet/test/VectorData/Redis.ConformanceTests/Support/RedisHashSetFixture.cs

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using VectorData.ConformanceTests.Support;
+
+namespace Redis.ConformanceTests.Support;
+
+public class RedisHashSetFixture : VectorStoreFixture
+{
+    public override TestStore TestStore => RedisTestStore.HashSetInstance;
+}