Standardize apt/apt-get calls in tests and messages #3012

Job	Run time
Check secrets / Check secret	1s
Packaging (xenial)	5m 6s
Packaging (bionic)	3m 53s
Packaging (focal)	3m 47s
Packaging (jammy)	3m 34s
Packaging (mantic)	3m 40s
Packaging (noble)	3m 58s
Integration (bionic, lxd-container, ubuntu-22.04)	58m 24s
Integration (focal, lxd-container, ubuntu-22.04)	1h 6m 43s
Integration (jammy, lxd-container, ubuntu-22.04)	48m 1s
Integration (mantic, lxd-container, ubuntu-22.04)	29m 43s
Integration (xenial, lxd-container, ubuntu-20.04)	55m 59s
Integration (bionic, aws.pro, ubuntu-22.04)	40m 48s
Integration (bionic, gcp.pro, ubuntu-22.04)	44m 21s
Integration (bionic, aws.pro-fips, ubuntu-22.04)	15m 9s
	6h 23m 7s

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