refactor:do some internal refactor to optimize the query performance.

fix: fix kill query crash issue

fix: change schema-less describtion to reduce ambiguity

fix: taos-sql/functions document error

fix(stream): memory leak

fix(stream):Defects Tracking, delete log

enh: do coverity scan

docs: fix 'terminate a tuery' chapter

fix: converity scan problem

fix(tmq): push msg

feat: support case when operator

os: Mac change service name

fix:sml core dump if insert quickly because of spin lock destroy

Fix/zhiqiang wang/td 19488 memory param over

fix: close merge tree for each file set

refact: code format

* chore: update taos-tools 8dea29a for 3.0

* chore: update taos-tools 85b582b for 3.0

* chore: fix release.sh for taos-tools tag

* fix: release.sh taos-tools-ver