* feat: taosBenchmark supports decimal data type
* build: decimal script not use pytest.sh
* fix: fix typo for decimal script
* test: insertBasic.py debug
* build: update python connector version to 2.7.23
* docs: add decimal data type for python connector
* docs: format optimization
* docs: fix typo
* build: update docker taospy version to v2.7.23