Remove starlette pinned version because it is already in the requirem…

[hdefazio]

…ents

What this PR does / why we need it:
Addresses CVE-2024-47874 (RHOAIENG-16420 )

Type of changes
Please delete options that are not relevant.

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

Re-running failed tests

• /rerun-all - rerun all failed workflows.
• /rerun-workflow <workflow name> - rerun a specific failed workflow. Only one workflow name can be specified. Multiple /rerun-workflow commands are allowed per comment.

[spolti]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hdefazio, spolti

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[openshift-ci]

@hdefazio: The following tests 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/e2e-slow	f234cf0	link	true	/test e2e-slow
ci/prow/e2e-fast	f234cf0	link	true	/test e2e-fast
ci/prow/e2e-raw	f234cf0	link	true	/test e2e-raw

Full PR test history. Your PR dashboard.

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