* [TD-11063]<fix>: Support gcc4.4.

* [TS-615]<CI>add Ningsi OS

* make jenkins happy
Co-authored-by: Nliuyq-617 <yqliu@taosdata.com>

* [TD-10904]<fix>: arch linux and alpine and gcc11

* high light memory sanitizer

* [TS-498]<test>: add a test case for HttpClientPoolUtil

* [TS-498]<fix>: fixed 'no sql input' bug

* throw exception when httpEntity is null

* [TS-498]<fix>: change taosd keepAlive to 30s
Co-authored-by: Nxywang <xywang@taosdata.com>

add tsClientMerge option to enable or disable client merge row and fix server duplicate row merge bug in skiplist

[td-6395]<enhance>: use the keyword "EVERY" instead of "INTERVAL" in case of multiple point interpolation query.

[TD-6264]<hotfix>:backport _block_dist() from 2.1 to 2.0 to fix core dump due to tbuf length limitation