chore(deps): update quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan:0.2 docker digest to 13cf619

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
quay.io/konflux-ci/konflux-vanguard/task-rpms-signature-scan	tekton-bundle	digest	78c8d79 -> 13cf619

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Configuration

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Documentation

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[openshift-ci]

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