Adding network policy to accept requests from load tests

[vishnuchalla]

Description

Adding network policy to accept requests from load testing setup.

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up dependent library

Related Tickets & Documents

• Closes # https://redhat-internal.slack.com/archives/C068JAU4Y0P/p1747201855356509

Checklist before requesting a review

• I have performed a self-review of my code.
• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

Verified in local in a hacky way.

[openshift-ci]

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[raptorsun]

Can we add this network policy to the load test setup procedure? If the service account can install the operator, it can add a network policy,too.
If we add it to the operator, this network policy will be installed on all our customers' cluster without any use.

[openshift-ci]

@vishnuchalla: all tests passed!

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[vishnuchalla]

Closing this in in favor of openshift/release#65392