Clarify temporary PD lifecycle in pd-recover (#23011)#23018

ti-chi-bot[bot] merged 1 commit into

pingcap:release-8.5pingcap/docs:release-8.5from

ti-chi-bot:cherry-pick-23011-to-release-8.5ti-chi-bot/docs:cherry-pick-23011-to-release-8.5Copy head branch name to clipboard