[examples] Bump ray dependency.
-aiohttp<3.8.0 # Pin version for ray.
aioredis<2.0.0 # Pin version for ray.
dgl==0.6.1
geneticalgorithm>=1.0.2
@@ -9,7 +8,7 @@ nevergrad>=0.4.3
numpy~=1.19.2 # Pin version for tensorflow.
opentuner>=0.8.5
pandas>=1.1.5
-ray[default,rllib]==1.4.1
+ray[default,rllib]==1.8.0
submitit>=1.2.0
submitit>=1.2.0
tensorflow==2.6.0
