docs: Add use citation from Unbinned Profiled Unfolding paper (#2116)

* Add use citation from 'Unbinned Profiled Unfolding'.
   - c.f. https://inspirehep.net/literature/2631075

Author: matthewfeickert

docs/bib/use_citations.bib

@@ -1,3 +1,15 @@
+% 2023-02-10
+@article{Chan:2023tbf,
+    author = "Chan, Jay and Nachman, Benjamin",
+    title = "{Unbinned Profiled Unfolding}",
+    eprint = "2302.05390",
+    archivePrefix = "arXiv",
+    primaryClass = "hep-ph",
+    month = "2",
+    year = "2023",
+    journal = ""
+}
+
 % 2023-01-13
 @article{Berger:2023bat,
     author = "Berger, Nicolas",