feat: add KServe gRPC v2 support

[jagadeeshi2i]

Description

Add gRPC support for KServe v2 protocol

Depends on #2175
Fixes #1859

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 #2176 (e092b6c) into master (2ff5020) will increase coverage by 0.01%.
The diff coverage is 85.71%.

❗ Current head e092b6c differs from pull request most recent head 374f958. Consider uploading reports for the commit 374f958 to get more accurate results

@@            Coverage Diff             @@
##           master    #2176      +/-   ##
==========================================
+ Coverage   72.85%   72.86%   +0.01%     
==========================================
  Files          78       78              
  Lines        3695     3697       +2     
  Branches       58       58              
==========================================
+ Hits         2692     2694       +2     
  Misses        999      999              
  Partials        4        4              

Files Changed	Coverage Δ
ts/torch_handler/request_envelope/kservev2.py	90.27% <85.71%> (+0.27%)	⬆️

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[lxning]

I don't see this function is called. Could you add some comments (eg. which function call this one)?

[lxning]

I don't see this function is called. Could you add some comments (eg. which function call this one)?

[fsatka]

Somebody, please! Get this man approve 🙂

[agunapal]

Hi @jagadeeshi2i , Please check the regression failures.