ci: install defined version python connector

fix: add vgroup count 

fix: add force stop task and rename conflict structer name

fix(query): fix error in simd.

fix: fix invalid read-write

enh: opt transport opt

fix: free thread save memory before set null

fix(query): set the correct rows in data block.

fix: refact client statistics collection

refactor: do some internal refactor and add some logs.

fix: not allow to read if sync is restoring

refactor: do some internal refactor and fix race condition.