Fix typo (#9217)
Fix typo (#9217)

correct parameter is `leader_ca_cert_file`
hashicorp/vault,hashicorp/vault,hashicorp/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,hartsock/vault,hartsock/vault,hashicorp/vault,hartsock/vault,rnaveiras/vault,hartsock/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault