Update README.rst

README.rst

@@ -172,7 +172,7 @@ A: Something along these lines would do nicely:
     author = {Nelis J. de Vos},
     title = {kmodes categorical clustering library},
     howpublished = {\url{https://github.com/nicodv/kmodes}},
-    year = {2015--2021}
+    year = {2015--2024}
   }