* feat: update taos-tools f169c0f for 2.6

* feat: update taos-tools a4d9b92 for 2.6

* feat: update taos-tools 7d5c1c0 for 2.6

* fix: 5-taos-tools/taosbenchmark/taosdemoTestInsertWithJson-childTable.py

after, create table without if not exits

* fix: 5-taos-tools/taosbenchmark/taosdemoTestInsertWithJsonStmt.py

after, create table without if not exits

* feat: update taos-tools 2.2.0 (2dba49c) for 2.6

* feat: update test cases

* feat: update taos-tools 404d8da for 2.6

* test: fix location in develop-test/5-taos-tools/taosbenchmark/demo.py

* feat: update taos-tools 3588b3d for 2.6

* feat: update taos-tools 9f4c01e for 2.6

* restore .gitmodules

* Revert "[TD-13408]<test>: move tests directory out"

This reverts commit 7db7bd9337cedc4cd0e3f3b16618b97d09791eaa.

* revert to make tests back

* immigrate file change in stand-alone repo to TDengine

* remove tests repository checkout
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>