[release] upgrading torch lightning release test (py3.10) (#59276)

upgrading torch lightning to py3.10

successful release test:
https://buildkite.com/ray-project/release/builds/71004#019b0035-ffad-4f07-8173-37aee3af1771

Signed-off-by: elliot-barn <elliot.barnwell@anyscale.com>
Co-authored-by: Lonnie Liu <95255098+aslonnie@users.noreply.github.com>

Author: elliot-barn

release/release_tests.yaml

@@ -1931,6 +1931,7 @@
     script: python torch_local_mode_launcher.py
 
 - name: torch_lightning
+  python: "3.10"
   group: Train tests
   working_dir: train_tests/pytorch_lightning