[TD-6020]fix taos crash issue

[TD-6198]<fix> fix bigint sum error

* cherry pick from develop branch.

* [TD-5136]<feature>: taosdemo simulate real senario.

* update test case according to taosdemo change

* adjust range of semi-random data.

* make demo mode use different tag name and value.

* change malloc to calloc for pid allocation.

* fix typo.

* fix binary length default value and group id logic.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-5798] <test> add case for td5798

change version number

[TD-6165]<enhance>: use memcpy to replace wcsncmp for nchar type comparision

[TD-6149]fix msg null issue

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

* another line.

* [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