[TD-6149]fix msg null issue

* [TD-6166]<fix>: pointer not initialized led taos.exe exit on windows.

* another line.

[TD-6135]fix interp crash issue

[TD-6017]<fix>:support top/bottom query is not the first expression when validate order by node

[TD-6101]reduce python case execution time

change version number

[TD-6097]<fix> Crash occurs when the select function in the subquery …

[td-6073]fix subquery crash issue

[td-6043]fix binary interp function

[TD-6054]<fix>: Filtered by tag with nchar value not as expected

[TD-6035]add connector test in CI

obtain coredump execfn in script[ci skip]

[TD-6087]<merge> merge distinct to master

[TD-5765]<hotfix>:check max length when alter tag value

[TD-6044]<hotfix>: WAL compatibility since v2.1.5.0

[TD-5998]<fix>:_block_dist() only support tables, not subqueries

[ci skip] update daily performance script

[TD-5935] <test> add case for TD-5935