for 3.0

[TD-15999]

feat(query): add apercentile function

temp close concast.py, concast_ws.py, join.py.

fix(stream): tb name error

fix(query): check for invalid parameters of substr function.

Merge branch 'feature/sync-mnode-integration' of https://github.com/taosdata/TDengine into feature/sync-mnode-integration

fix(sync): persist standby option

fix(query): restrict top/bottom function column type and first param must be column

feat: scheduler async api

feat: catalog async api test

Minor grammar edits to the Resource Planning page

Minor grammar updates and formatting for Admin > Install & Uninstall page

Minor grammar updates to SQL > JSON page

Minor grammar edits to SQL > Limits page

Grammar updates to the SQL > Interval page.

Minor grammar and formatting updates to SQL > Functions page

Minor grammar updates to the SQL > Select page

Minor grammar changes to the SQL Insert page

Minor grammar updates to SQL > STable page.