[release] mark chaos_torch_batch_inference_16_gpu_300gb_raw as non-st…

…able (ray-project#45387)

This test might be still flaky
https://github.com/orgs/anyscale/projects/76/views/1?pane=issue&itemId=63092837.
If it is should we mark it unstable to unblock the release, and mark it
stable again once it is deflaked. Thankks.

Test:
- CI

Signed-off-by: can <can@anyscale.com>
Signed-off-by: Ryan O'Leary <ryanaoleary@google.com>

release/release_tests.yaml

@@ -199,6 +199,7 @@
 - name: chaos_torch_batch_inference_16_gpu_300gb_raw
   group: data-tests
   working_dir: nightly_tests
+  stable: false
 
   frequency: nightly
   team: data