Intuit python version for compatible Ray image

[ChristianZaccaria]

Issue link

Jira: https://issues.redhat.com/browse/RHOAIENG-14578

What changes have been made

The Ray image to be used by the head and worker nodes will be based on the python version in the system.

Currently, we support py3.9, and we will now support Ray with py3.11.

Verification steps

1. Launch a jupyter notebook server with python3.9.
2. Run through the 0_basic_ray.ipynb notebook with the write_to_file parameter set to True.
3. See the Ray image used in the head and worker group specs.
4. Repeat but with python3.11.

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[ChristianZaccaria]

/hold require the SHA for ray py3.11

[Bobbins228]

Tested on py3.9 & 3.11 and it works as expected!

/lgtm

[openshift-ci]

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