ttcn3-slave: Install sudo

The sudo tool is required by the ansible 'become_user' used later in ttcn3-slave.yml

TASK [osmocom-jenkins-slave : ensure jenkins folder exists] *******************************************
fatal: [lx2-raspbian11build-ansible]: FAILED! => {
    "changed": false,
    "rc": 127
}

MODULE_STDOUT:
/bin/sh: 1: sudo: not found

Related: OS#5873
Change-Id: I2d50ef2dee8e060ff4f84810f2bba62d4801d638
1 file changed