Goal

Automatically attach a label to a PR where a test with a certain label is touched.
Actually entailed by GitHub issue: https://github.com/kubevirt/project-infra/issues/3879

User Stories

• quarantine label test changed -> attach quarantine label, outcome could be to run dequarantine lane
• release-blocker label test changed -> if quarantine label attached, then trigger release-blocker action
• any test that is sig-assigned receives the respective sig label
• conformance label test changed -> if conformance label changed, then add conformance-test-changed label

Non-Requirements

• List of things not included in this epic, to alleviate any doubt raised during the grooming process.

Notes

• entry point for retrieving the changed tests: https://github.com/kubevirt/project-infra/blob/f3f7e069922f87845ba8f71189013ba38f1f0593/robots/ginkgo-tests/cmd/extract-changed.go#L76