[WIP]: add kserve v2 format for workflow

[jagadeeshi2i]

Description

Adds example for using kserv v2 format with workflows

Please read our CONTRIBUTING.md prior to creating your first pull request.

Please include a summary of the feature or issue being fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes #(issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Feature/Issue validation/testing

Please describe the Unit or Integration tests that you ran to verify your changes and relevant result summary. Provide instructions so it can be reproduced.
Please also list any relevant details for your test configuration.

• Test A
  Logs for Test A

• Test B
  Logs for Test B

Checklist:

• Did you have fun?
• Have you added tests that prove your fix is effective or that this feature works?
• Has code been commented, particularly in hard-to-understand areas?
• Have you made corresponding changes to the documentation?

[codecov]

Codecov Report

Merging #2585 (9269565) into master (5e30a7d) will not change coverage.
Report is 1 commits behind head on master.
The diff coverage is n/a.

❗ Current head 9269565 differs from pull request most recent head 12c9080. Consider uploading reports for the commit 12c9080 to get more accurate results

@@           Coverage Diff           @@
##           master    #2585   +/-   ##
=======================================
  Coverage   70.87%   70.87%           
=======================================
  Files          83       83           
  Lines        3839     3839           
  Branches       58       58           
=======================================
  Hits         2721     2721           
  Misses       1114     1114           
  Partials        4        4           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[msaroufim]

Hey @jagadeeshi2i a test would make this much easier to merge