planner: fix plan cache rebuild range error (#42220)#42381

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ti-chi-bot merged 2 commits intopingcap:release-6.1from ti-chi-bot:cherry-pick-42220-to-release-6.1

Mar 21, 2023

+20

Commits on Mar 20, 2023

This is an automated cherry-pick of pingcap#42220

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