[konflux] disable ppc

[ashwindasr]

Since PPC VMs on Konflux are not spawning correctly, disabling triggering builds temporarily until Konflux fixes are in.

ref thread for details

[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

[ashwindasr]

/approve

Ready to merge if changes look good

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ashwindasr

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• OWNERS [ashwindasr]

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[openshift-ci]

@ashwindasr: 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/security	e2e57b4	link	false	/test security

Full PR test history. Your PR dashboard.

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[locriandev]

/lgtm