Add workflow in each repo to apply Konflux manifests on changes

[creydr]

• add a reusable action to apply the Konflux manifests
• Adds a workflow to each repo & branch which have Konflux enabled calling the above reusable action. This allows to apply the manifests directly after changes in the .konflux/ directory in the repositories and does not need the periodic runs from hack repo anymore

/hold
as we need to move the KONFLUX_SA_TOKEN secret from the hack repo to the org (when we agreed on this PR)

[openshift-ci]

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[pierDipi]

why not calling the existing workflow in this repo instead of duplicating it everywhere? That would solve also the possibility for CI config to be different when merging PRs so from each repo we would call the generate CI and Konflux apply

[pierDipi]

Similar to what we already do for SO, I think we discussed that as the approach we would have taken openshift-knative/serverless-operator@45eccfe

[creydr]

why not calling the existing workflow in this repo instead of duplicating it everywhere? That would solve also the possibility for CI config to be different when merging PRs so from each repo we would call the generate CI and Konflux apply

Not sure if I understand you correctly, but isn't this what I am proposing in my PR? I made the existing workflow to apply the konflux manifests "reusable" and only add a new workflow to the other repos, which calls this workflow:

hack/pkg/konfluxgen/apply-konflux-manifests-workflow.yaml

Line 12 in 6cc93a7

uses: openshift-knative/hack/.github/workflows/reusable-apply-konflux-manifests.yaml@main

This allows us to still manage the core workflow in this repo and run the workflow only when it's needed (on pushes to the downstream repos)

[openshift-merge-robot]

PR needs rebase.

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