Add retry to fetch pendingworkloads API

[MaysaMacedo]

No description provided.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[MaysaMacedo]

/hold

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: MaysaMacedo

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[openshift-ci]

@MaysaMacedo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/test-e2e-4-19	d8c575f	link	true	/test test-e2e-4-19

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