Update OpenAIEmbedding.cs

src/Custom/Embeddings/OpenAIEmbedding.cs

@@ -121,6 +121,7 @@ private static ReadOnlyMemory<float> ConvertToVectorOfFloats(BinaryData binaryDa
         OperationStatus status = Base64.DecodeFromUtf8(base64, bytes.AsSpan(), out int bytesConsumed, out int bytesWritten);
         if (status != OperationStatus.Done || bytesWritten % sizeof(float) != 0)
         {
+            ArrayPool<byte>.Shared.Return(bytes);
             ThrowInvalidData();
         }