[Flytekit-7005] Adding ray autoscaler options

[0yukali0]

Tracking issue

Ralated 7005

Why are the changes needed?

Ray plugin in Flytekit does not support ray autoscaler option when enable_autoscaling is settable.

What changes were proposed in this pull request?

1. Create autoscaler option dataclass
2. Add that to ray cluster message which sent to backend.

How was this patch tested?

Setup process

clone flyte and flytekit (branch flyte-7005 and flytekit-7005)
run the flyte backend in sandbox
2.1 flytectl demo start --dev
2.2 make compile && POD_NAMESPACE=flyte ./flyte start --config flyte-single-binary-local.yaml
Update ray example like Ray example
3.1 uv venv -p 3.11 && source .venv/bin/activate && uv pip install -e ~/flytekit ~/flytekit/plugins/flytekit-ray && uv pip install -e ~/flyte/flyteidl
3.2 "pyflyte run --remote ray_example.py ray_workflow --n 10"

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.76%. Comparing base (c164f35) to head (3fb001d).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3413      +/-   ##
==========================================
+ Coverage   45.78%   47.76%   +1.98%     
==========================================
  Files         317      216     -101     
  Lines       28359    22845    -5514     
  Branches     3015     3015              
==========================================
- Hits        12983    10911    -2072     
+ Misses      15278    11333    -3945     
- Partials       98      601     +503     

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