Add iam:GetUser permission to the example. (#13316)
Add iam:GetUser permission to the example. (#13316)

Without `iam:GetUser` permission, I wasn't able to get Vault to rotate its own credentials.
rnaveiras/vault,hashicorp/vault,hashicorp/vault,hashicorp/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault