Add description for `tidb_auth_token` authentication (#15818)#16708

Merged

ti-chi-bot[bot] merged 3 commits intopingcap:release-6.5from ti-chi-bot:cherry-pick-15818-to-release-6.5

Mar 1, 2024

+136-14

Commits on Mar 1, 2024

This is an automated cherry-pick of pingcap#15818

CbcWestwolf
authored and
ti-chi-bot
committed
Update basic-features.md
qiancai
authored
Update system-variables.md
qiancai
authored