* resolvectl: add flush-caches and statistics * resolvectl: remove openpgp * resolvectl: add precision about DNSSEC verdicts Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com> --------- Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>