ci: Enable konflux build

[svghadi]

What type of PR is this?
/kind ci

What does this PR do / why we need it:

Enables CI build on konflux. The PR job builds on amd only and the PUSH job builds on all supported arch i.e amd64, arm64, ppc64le & s390x.

[openshift-ci]

@svghadi: The label(s) kind/ci cannot be applied, because the repository doesn't have them.

In response to this:

What type of PR is this?
/kind ci

What does this PR do / why we need it:

Enables CI build on konflux. The PR job builds on amd only and the PUSH job builds on all supported arch i.e amd64, arm64, ppc64le & s390x.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[svghadi]

The image build is successful on Konflux

$ docker run -it --rm --entrypoint /bin/bash quay.io/redhat-user-workloads/rh-openshift-gitops-tenant/gitops-must-gather:on-pr-9f06669e7b22b1d187489e066fcb4c29b116a88c-linux-x86-64
WARNING: image platform (linux/amd64) does not match the expected platform (linux/arm64)
[root@685cec0225f5 /]# cat /usr/bin/gather
#!/usr/bin/env bash

set -eu -o pipefail

LOGS_DIR="/must-gather"

mkdir -p ${LOGS_DIR}

GITOPS_CURRENT_CSV=$(oc get subscription.operators.coreos.com --ignore-not-found -A -o json | jq '.items[] | select(.metadata.name=="openshift-gitops-operator") | .status.currentCSV' -r)

[svghadi]

The PR is ready for review. Will fix the failing static check job in another PR.

[anandrkskd]

LGTM