Refine tiflash FAQ and configuration docs (#20252)#20617

Merged

ti-chi-bot[bot] merged 2 commits intopingcap:release-8.5from

ti-chi-bot:cherry-pick-20252-to-release-8.5

Jul 4, 2025

Commits on Jul 4, 2025

This is an automated cherry-pick of #20252

JaySon-Huang
authored and
ti-chi-bot
committed
Update tiflash/tiflash-configuration.md
hfxsd
authored