ci: ray_tune version update (#3161)

remove ray tune version affected the installation using google colab

pyproject.toml

@@ -82,7 +82,7 @@ docs = [
 docsbuild = ["scvi-tools[docs,optional]"]
 
 # scvi.autotune
-autotune = ["hyperopt>=0.2", "ray[tune]>=2.5.0"]
+autotune = ["hyperopt>=0.2", "ray[tune]"]
 # scvi.hub.HubModel.pull_from_s3
 aws = ["boto3"]
 # scvi.data.cellxgene