Increment trfl version.

PiperOrigin-RevId: 390384826

Author: diegolascasas

setup.py

@@ -33,7 +33,7 @@
 
 setup(
     name='trfl',
-    version='1.1.0',
+    version='1.2.0',
     description=('trfl is a library of building blocks for '
                  'reinforcement learning algorithms.'),
     long_description='',

trfl/__init__.py

@@ -57,4 +57,4 @@
 from trfl.vtrace_ops import vtrace_from_importance_weights
 from trfl.vtrace_ops import vtrace_from_logits
 
-__version__ = '1.1.0'
+__version__ = '1.2.0'