util/cgroup: fix InContainer for cgroup v2 (#48344)#48345

Merged

ti-chi-bot[bot] merged 1 commit intopingcap:release-7.1from

ti-chi-bot:cherry-pick-48344-to-release-7.1

Nov 7, 2023

Commits on Nov 7, 2023

fix

D3Hunter
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ti-chi-bot
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