What type of PR is this?

/kind bug
Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug /kind task /kind feature

What does this PR do / why do we need it:

Which issue(s) this PR fixes:

#I5M652:有奖捉虫-opengauss支持配置use-connection-pool
Fixes #

Special notes for your reviewers:

opengauss连接器支持配置use-connection-pool,使用连接池