[release-2.25] CI: rework pipeline: short/extended based on labels (#11424)

* CI: reduce VM resources requests to improve scheduling

* CI: Reduce default jobs; add labels(ci-full/extended) to run more test

* CI: use jobs dependencies instead of stages

* precommit one-job

* CI: Use Kubevirt VM to run Molecule and Vagrant jobs

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Co-authored-by: ant31 <2t.antoine@gmail.com>