fix(stepfunctions): support JSONATA for result writer and item reader

[GavinZZ]

Issue # (if applicable)

Closes #33396.

Reason for this change

Result writer and item reader class do not support using JSONATA. Deployment will fails due to if SFN is set to use JSONATA, it expects Arguments in the ASL instead of Parameters.

Description of changes

Support JSONATA as the query language.

Description of how you validated changes

New unit test and new integ test with assertions

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.92%. Comparing base (a7d7373) to head (88d882d).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #33404   +/-   ##
=======================================
  Coverage   80.92%   80.92%           
=======================================
  Files         236      236           
  Lines       14255    14255           
  Branches     2491     2491           
=======================================
  Hits        11536    11536           
  Misses       2434     2434           
  Partials      285      285           

Flag	Coverage Δ
suite.unit	80.92% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	79.74% <ø> (ø)
packages/aws-cdk-lib/core	82.20% <ø> (ø)

[GavinZZ]

Marking this PR as pr/do-not-merge. Pending a review from @WinterYukky prior to merge this change.

Also update the PR label to correctly reflect the issue priority.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 88d882d
• Result: SUCCEEDED
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