Release Notes
from：release/ver-2.6.0.4
to：release/ver-2.6.0.6
FIX BUGS:
fix: multi group by calc key error (#14052)
fix: offset optimization order by desc calc skip block error(#14027)
fix: Remove install warning for red hat (#14019)
fix: added upstream check to avoid crash (#13894)
fix: fixed group by col_proj_function des error on client (#13821)
fix: taosdump incorrect count when dump in (#13815)
fix: super table info not removed after dropped by another client (#13666)
fix: fixed related query error caused by tag mismatch (#13308)
ENHANCEMENTS:
enh:change master/slave to leader/follower (#14190)
feat: added bitwise operations (#13306)
feat: support case sensitive and CN names of db, stable, column, tags and so on (#13866)