Adjust tensorflow-cpu version constraint to resolve dependency conflict

requirements.txt

@@ -3,7 +3,7 @@ jaxlib>=0.4.13,<0.5.0
 ml_dtypes>=0.2.0,<0.4.0
 flax>=0.7.2,<0.8.0
 optax>=0.1.7,<0.2.0
-tensorflow-cpu>=2.8.0,<2.15.0
+tensorflow-cpu>=2.8.0,<2.13.0
 keras>=2.8.0,<2.12.0
 gym>=0.26.0,<0.27.0
 pytest>=7.2.0,<7.3.0