CI: check if packages in _pmb_recommends exist
Closes #702 (closed), doesn't check if _pmb_recommends eхists. See https://gitlab.com/DolphinChips/pmaports/-/pipelines/172554250 for failed pipeline and https://gitlab.com/DolphinChips/pmaports/-/pipelines/172556139 passed one.
Edited by Administrator