Add annotation for kserve servereless

[lucferbux]

Description

Fix: https://issues.redhat.com/browse/RHOAIENG-17640

Add annotation for kserve serverless per requested.

How Has This Been Tested?

Added unit testing and deployed a model:

1. Deploy a new kserve model
2. Check that the inferenceservice contains the annotation

Test Impact

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[emilys314]

I did a quick test deploying a serverless model and it applied the deploymentMode tag

/lgtm

[openshift-ci]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.82%. Comparing base (3ea00fd) to head (0ab35ba).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3629      +/-   ##
==========================================
- Coverage   85.82%   85.82%   -0.01%     
==========================================
  Files        1419     1419              
  Lines       32644    32652       +8     
  Branches     9167     9166       -1     
==========================================
+ Hits        28018    28023       +5     
- Misses       4626     4629       +3     

Files with missing lines	Coverage Δ
frontend/src/api/k8s/inferenceServices.ts	94.69% <100.00%> (-0.19%)	⬇️
frontend/src/k8sTypes.ts	100.00% <100.00%> (ø)
...d/src/pages/modelServing/screens/projects/utils.ts	93.28% <100.00%> (+0.20%)	⬆️
frontend/src/pages/modelServing/utils.ts	92.94% <100.00%> (ø)

... and 6 files with indirect coverage changes

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[emilys314]

/lgtm