[Bug]: pipeline client max connections is too large #9337

Job	Run time
CHECK PR VALID	3s
Matrixone Upgrade CI / Compatibility Test With Release on Linux/x64(LAUNCH)	28m 3s
Matrixone Upgrade CI / Compatibility Test With Target on Linux/x64(LAUNCH)	30m 40s
Matrixone CI / UT Test on Ubuntu/x86	28m 43s
Matrixone CI / SCA Test on Ubuntu/x86	8m 54s
Matrixone CI / UT Test on Darwin/x86	35m 19s
Matrixone Standlone CI / e2e BVT Test on Linux/x64(LAUNCH,Optimistic)	18m 38s
Matrixone Standlone CI / Multi-CN e2e BVT Test on Linux/x64(LAUNCH, PROXY)	16m 13s
Matrixone Standlone CI / e2e BVT Test on Linux/x64(LAUNCH, PESSIMISTIC)	14m 49s
Matrixone Compose CI / multi cn e2e bvt test docker compose(Optimistic/PUSH)	12m 51s
Matrixone Compose CI / multi cn e2e bvt test docker compose(PESSIMISTIC)	17m 36s
Matrixone Utils CI / check_organization_user	2s
Matrixone Utils CI / pr-size-label	2s
Matrixone Utils CI / PR Unit Test Coverage	18m 7s
Matrixone Utils CI / docu_issue_check	0s
Matrixone Utils CI / ChatGPT Review	0s
	3h 50m 0s

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