Replace 2018 AISTATS conference paper with the latest 2025 ACM paper (#2608)

* Replace 2018 AISTATS conference paper with the latest 2025 journal publication

* add back old citation

* unify with turing.jl readme

---------

Co-authored-by: Penelope Yong <penelopeysm@gmail.com>

Author: sunxd3

CITATION.bib

@@ -1,13 +1,27 @@
-@inproceedings{ge2018t,
-  author    = {Hong Ge and
-               Kai Xu and
-               Zoubin Ghahramani},
-  title     = {Turing: a language for flexible probabilistic inference},
-  booktitle = {International Conference on Artificial Intelligence and Statistics,
-               {AISTATS} 2018, 9-11 April 2018, Playa Blanca, Lanzarote, Canary Islands,
-               Spain},
-  pages     = {1682--1690},
-  year      = {2018},
-  url       = {http://proceedings.mlr.press/v84/ge18b.html},
-  biburl    = {https://dblp.org/rec/bib/conf/aistats/GeXG18},
+@article{10.1145/3711897,
+author = {Fjelde, Tor Erlend and Xu, Kai and Widmann, David and Tarek, Mohamed and Pfiffer, Cameron and Trapp, Martin and Axen, Seth D. and Sun, Xianda and Hauru, Markus and Yong, Penelope and Tebbutt, Will and Ghahramani, Zoubin and Ge, Hong},
+title = {Turing.jl: a general-purpose probabilistic programming language},
+year = {2025},
+publisher = {Association for Computing Machinery},
+address = {New York, NY, USA},
+url = {https://doi.org/10.1145/3711897},
+doi = {10.1145/3711897},
+note = {Just Accepted},
+journal = {ACM Trans. Probab. Mach. Learn.},
+month = feb,
+}
+
+@InProceedings{pmlr-v84-ge18b,
+  title = 	 {Turing: A Language for Flexible Probabilistic Inference},
+  author = 	 {Ge, Hong and Xu, Kai and Ghahramani, Zoubin},
+  booktitle = 	 {Proceedings of the Twenty-First International Conference on Artificial Intelligence and Statistics},
+  pages = 	 {1682--1690},
+  year = 	 {2018},
+  editor = 	 {Storkey, Amos and Perez-Cruz, Fernando},
+  volume = 	 {84},
+  series = 	 {Proceedings of Machine Learning Research},
+  month = 	 {09--11 Apr},
+  publisher =    {PMLR},
+  pdf = 	 {http://proceedings.mlr.press/v84/ge18b/ge18b.pdf},
+  url = 	 {https://proceedings.mlr.press/v84/ge18b.html},
 }