Prepare for bugfix release 1.0.2

PiperOrigin-RevId: 269534517
Change-Id: I7fa99eb0a6c12f855b9891b96972d5ec0e42738e

Author: Azhag

setup.py

@@ -25,7 +25,7 @@
 
 setup(
     name='spriteworld',
-    version='1.0.1',
+    version='1.0.2',
     description=('Spriteworld is a python-based reinforcement learning '
                  'environment consisting of a 2-dimensional arena with objects '
                  'that can be freely moved.'),