Edit tslearn/__init__.py for tslearn version 0.5.3 (#438)

Author: YannCabanes

tslearn/__init__.py

@@ -1,7 +1,7 @@
 import os
 
 __author__ = 'Romain Tavenard romain.tavenard[at]univ-rennes2.fr'
-__version__ = "0.5.2"
+__version__ = "0.5.3"
 __bibtex__ = r"""@article{JMLR:v21:20-091,
   author  = {Romain Tavenard and Johann Faouzi and Gilles Vandewiele and
              Felix Divo and Guillaume Androz and Chester Holtz and