[client] Use GPO DNS Policy Config to configure DNS if present #9888

Job	Run time
build-cache	25s
api_integration_test (386, sqlite)	6m 1s
api_benchmark (386, sqlite)	15m 19s
benchmark (386, sqlite)	6m 23s
api_integration_test (386, postgres)	22m 39s
test (386)	8m 28s
api_benchmark (386, postgres)	31m 50s
benchmark (386, postgres)	9m 8s
api_benchmark (amd64, sqlite)	8m 33s
api_integration_test (amd64, sqlite)	6m 5s
test (amd64)	10m 32s
benchmark (386, mysql)	10m 15s
api_benchmark (amd64, postgres)	23m 51s
api_integration_test (amd64, postgres)	22m 26s
benchmark (amd64, sqlite)	6m 52s
benchmark (amd64, postgres)	9m 9s
test_client_on_docker	5m 27s
benchmark (amd64, mysql)	10m 39s
test_management (386, sqlite)	5m 36s
test_management (386, postgres)	14m 52s
test_management (386, mysql)	17m 42s
test_management (amd64, sqlite)	5m 31s
test_management (amd64, postgres)	14m 11s
test_management (amd64, mysql)	17m 23s
	4h 49m 17s

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