changed copyright year from -2025 to -2026. happy new year!

Author: WolfgangWaltenberger

smodels/share/BANNER

@@ -8,7 +8,7 @@
 SModelS -- A tool for interpreting simplified-model results from the LHC,
 see https://smodels.github.io/.
 
-Copyright (C) 2012-2025 The SModelS collaboration, https://github.com/SModelS/smodels/discussions
+Copyright (C) 2012-2026 The SModelS collaboration, https://github.com/SModelS/smodels/discussions
 Current members: Mohammad Mahdi Altakach, Sabine Kraml, Andre Lessa, Sahana Narashima, Timothee Pascal, Humberto Reyes-Gonzalez, Theo Reymermier, Wolfgang Waltenberger
 
 Previously involved in SModelS: Gael Alguero, Federico Ambrogi, Juhi Dutta, Jan Heisig, Charanjit K. Khosa, Suchita Kulkarni, Ursula Laa, Veronika Magerl, Wolfgang Magerl, Philipp Neuhuber, Doris Proschofsky, Camila Ramos, Jory Sonneveld, Michael Traub, Yoxara Villamizar, Matthias Wolf, Alicia Wongel