Add new performance endpoint

[ppadti]

Description

This PR aims to add new performance filter to the BFF.

How Has This Been Tested?

1. Run the application in mock model

curl -s -H "kubeflow-userid: user@example.com" \
  "http://localhost:4000/api/v1/model_catalog/sources/sample-source/performance_artifacts/repo1%2Fgranite-8b-code-instruct?namespace=kubeflow" 

2. With kind cluster and port-forwarding, we might have to have performance data to get a response.
   run the above curl cmd with respective sourceID and modelName

Merge criteria:

• All the commits have been signed-off (To pass the DCO check)

• The commits have meaningful messages
• Automated tests are provided as part of the PR for major new functionalities; testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work.
• Code changes follow the kubeflow contribution guidelines.
• For first time contributors: Please reach out to the Reviewers to ensure all tests are being run, ensuring the label ok-to-test has been added to the PR.

If you have UI changes

• The developer has added tests or explained why testing cannot be added.
• Included any necessary screenshots or gifs if it was a UI change.
• Verify that UI/UX changes conform the UX guidelines for Kubeflow.

[ederign]

/assign

[ederign]

@ppadti, can you please take a look at the test failure?

[ppadti]

@ppadti, can you please take a look at the test failure?

yeah, its a flaky test, failing on most of the PR - I have reported that to the backend team.

[ppadti]

/retest

[ederign]

/approve
/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ederign

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