[FEATURE] eval command is missing from Spark based PPL driver

[A-Gray-Cat]

Is your feature request related to a problem?
The eval command is missing from Spark based PPL driver:

{"Message":"Fail to run query. Cause: Not Supported operation : Eval"}

What solution would you like?
Bring the eval command to the Spark based PPL driver: https://github.com/opensearch-project/sql/blob/main/docs/user/ppl/cmd/eval.rst

What alternatives have you considered?
A clear and concise description of any alternative solutions or features you've considered.

Do you have any additional context?
Add any other context or screenshots about the feature request here.

[LantaoJin]

The eval command is supported after #499

[A-Gray-Cat]

Hi @LantaoJin, thanks for the update. I'm curious which spark version or openserch version will I need to use to see those changes.