Update copyright list in license

Author: lballabio-bot

LICENSE.TXT

@@ -152,8 +152,8 @@ Copyright (C) 2020 Leonardo Arcari
 Copyright (C) 2020 Piotr Siejda
 Copyright (C) 2020, 2021 Jack Gillett
 Copyright (C) 2020, 2021 Lew Wei Hao
-Copyright (C) 2020, 2021, 2022, 2023, 2025 Marcin Rybacki
 Copyright (C) 2020, 2021, 2022, 2023, 2024 Skandinaviska Enskilda Banken AB (publ)
+Copyright (C) 2020, 2021, 2022, 2023, 2025 Marcin Rybacki
 
 Copyright (C) 2021 Anubhav Pandey
 Copyright (C) 2021 Magnus Mencke
@@ -175,14 +175,16 @@ Copyright (C) 2025 AcadiaSoft Inc.
 Copyright (C) 2025 Eugene Toder
 Copyright (C) 2025 Hiroto Ogawa
 Copyright (C) 2025 Kareem Fareed
-Copyright (C) 2025 Paolo D'Elia
 Copyright (C) 2025 Sotirios Papathanasopoulos
 Copyright (C) 2025 Uzair Beg
 Copyright (C) 2025 William Day
+Copyright (C) 2025, 2026 Paolo D'Elia
 
 Copyright (C) 2026 Aaditya Panikath
 Copyright (C) 2026 Chirag Desai
 Copyright (C) 2026 Rich Amaya
+Copyright (C) 2026 Yassine Idyiahia
+Copyright (C) 2026 Zain Mughal
 
 QuantLib includes code taken from Peter Jäckel's book "Monte Carlo
 Methods in Finance".