update the author list

Signed-off-by: Bruno Khélifi <khelifi@in2p3.fr>

acknowledging.html

@@ -128,7 +128,17 @@
 
 <p id="bibtex-paper" style="display:none;">
 @article{gammapy:2023,
-    author = {{Donath, Axel} and {Terrier, R\'egis} and {Remy, Quentin} and {Sinha, Atreyee} and {Nigro, Cosimo} and {Pintore, Fabio} and {Kh\'elifi, Bruno} and {Olivera-Nieto, Laura} and {Ruiz, Jose Enrique} and {Br\"ugge, Kai} and {Linhoff, Maximilian} and {Contreras, Jose Luis} and {Acero, Fabio} and {Aguasca-Cabot, Arnau} and {Berge, David} and {Bhattacharjee, Pooja} and {Buchner, Johannes} and {Boisson, Catherine} and {Carreto Fidalgo, David} and {Chen, Andrew} and {de Bony de Lavergne, Mathieu} and {de Miranda Cardoso, Jos\'e Vinicius} and {Deil, Christoph} and {F\"u\ss{}ling, Matthias} and {Funk, Stefan} and {Giunti, Luca} and {Hinton, Jim} and {Jouvin, L\'ea} and {King, Johannes} and {Lefaucheur, Julien} and {Lemoine-Goumard, Marianne} and {Lenain, Jean-Philippe} and {L\'opez-Coto, Rub\'en} and {Mohrmann, Lars} and {Morcuende, Daniel} and {Panny, Sebastian} and {Regeard, Maxime} and {Saha, Lab} and {Siejkowski, Hubert} and {Siemiginowska, Aneta} and {Sip"ocz, Brigitta M.} and {Unbehaun, Tim} and {van Eldik, Christopher} and {Vuillaume, Thomas} and {Zanin, Roberta}},
+    author = {{Donath}, Axel and {Terrier}, R\'egis and {Remy}, Quentin and {Sinha}, Atreyee and {Nigro}, Cosimo and
+        {Pintore}, Fabio and {Kh\'elifi}, Bruno and {Olivera-Nieto}, Laura and {Ruiz}, Jose Enrique and
+        {Br\"ugge}, Kai and {Linhoff}, Maximilian and {Contreras}, Jose Luis and {Acero}, Fabio and
+        {Aguasca-Cabot}, Arnau and {Berge}, David and {Bhattacharjee}, Pooja and {Buchner}, Johannes and
+        {Boisson}, Catherine and {Carreto Fidalgo}, David and {Chen}, Andrew and {de Bony de Lavergne}, Mathieu and
+        {de Miranda Cardoso}, Jos\'e Vinicius and {Deil}, Christoph and {F\"u\ss{}ling}, Matthias and
+        {Funk}, Stefan and {Giunti}, Luca and {Hinton}, Jim and {Jouvin}, L\'ea and {King}, Johannes and
+        {Lefaucheur}, Julien and {Lemoine-Goumard}, Marianne and {Lenain}, Jean-Philippe and {L\'opez-Coto}, Rub\'en
+        and {Mohrmann}, Lars and {Morcuende}, Daniel and {Panny}, Sebastian and {Regeard}, Maxime and {Saha}, Lab
+        and {Siejkowski}, Hubert and {Siemiginowska}, Aneta and {Sip"ocz}, Brigitta M. and {Unbehaun}, Tim
+        and {van Eldik}, Christopher and {Vuillaume}, Thomas and {Zanin}, Roberta},
     title = {Gammapy: A Python package for gamma-ray astronomy},
     DOI= "10.1051/0004-6361/202346488",
     url= "https://doi.org/10.1051/0004-6361/202346488",