Add missing 'apt' dependency for puppet_agent #21

Job	Run time
Matrix / Generate	44s
Spec / Test Puppet ~> 7.24 with ruby 2.7	45s
Spec / Test Puppet ~> 8.0 with ruby 3.2	47s
Acceptance / Test AlmaLinux-8 with puppet7-nightly	1m 54s
Acceptance / Test AlmaLinux-8 with puppet8-nightly	1m 46s
Acceptance / Test AlmaLinux-9 with puppet7-nightly	1m 52s
Acceptance / Test AlmaLinux-9 with puppet8-nightly	1m 37s
Acceptance / Test Debian-10 with puppet7-nightly	1m 57s
Acceptance / Test Debian-10 with puppet8-nightly	2m 3s
Acceptance / Test Debian-11 with puppet7-nightly	1m 57s
Acceptance / Test Debian-11 with puppet8-nightly	2m 11s
Acceptance / Test Debian-12 with puppet7-nightly	2m 4s
Acceptance / Test Debian-12 with puppet8-nightly	2m 4s
Acceptance / Test Rocky-8 with puppet7-nightly	1m 44s
Acceptance / Test Rocky-8 with puppet8-nightly	1m 57s
Acceptance / Test Rocky-9 with puppet7-nightly	1m 53s
Acceptance / Test Rocky-9 with puppet8-nightly	1m 57s
Acceptance / Test Ubuntu-20.04 with puppet7-nightly	3m 10s
Acceptance / Test Ubuntu-20.04 with puppet8-nightly	2m 16s
Acceptance / Test Ubuntu-22.04 with puppet7-nightly	2m 7s
Acceptance / Test Ubuntu-22.04 with puppet8-nightly	2m 6s
Acceptance / Test Ubuntu-22.04-arm with puppet7-nightly	49s
Acceptance / Test Ubuntu-22.04-arm with puppet8-nightly	55s
	40m 35s

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