ZeroMagic: chore: set the cloud-provider flag to external

JobBuild
392
09-11 03:26
pull-cloud-provider-azure-check 1305327260609286148 1304321627277758464 1304259971843624962
pull-cloud-provider-azure-e2e 1305327260609286144 1304321627273564160 1304259971843624960
pull-cloud-provider-azure-e2e-ccm 1305327260609286146 1304321627277758466 1304259971843624963
pull-cloud-provider-azure-e2e-ccm-vmss-basic-lb 1305327260609286147 1304321627273564161 1304259971839430656
pull-cloud-provider-azure-unit 1305327260609286145 1304321627277758465 1304259971843624961