Release Notes

from：release/ver-2.4.0.25 to：release/ver-2.4.0.26

FIX BUGS: TDengine fix: remove some case-insensitive checkings (#13667) fix: pSql->subStates maybe free by recreate (#13615) fix: inserting data from multi files is not supported (#13521) fix: schemaless support tag value have comma blank euqal sign (#13411) fix: batch create table bug (#13385) fix: mixed operator column calc output size error (#13295) fix: line protocol sync from develop (#13300)