Use ntpsec user/group for Ubuntu >= 23.10 #309

Job	Run time
lint-unit / check-metadata	6s
lint-unit / markdownlint-cli2	6s
lint-unit / cookstyle	43s
lint-unit / markdown-link-check	16s
lint-unit / rspec	1m 14s
lint-unit / yamllint	7s
integration (almalinux-8, default)	1m 10s
integration-windows (windows-latest, default)	12m 32s
integration-macos (macos-latest, default)	1m 19s
integration (almalinux-9, default)	1m 3s
integration (amazonlinux-2, default)	1m 1s
integration (amazonlinux-2023, default)	56s
integration (centos-stream-9, default)	1m 11s
integration (debian-11, default)	1m 14s
integration (debian-12, default)	1m 26s
integration (fedora-latest, default)	1m 13s
integration (oraclelinux-8, default)	1m 5s
integration (oraclelinux-9, default)	1m 4s
integration (rockylinux-8, default)	1m 6s
integration (rockylinux-9, default)	1m 3s
integration (ubuntu-2004, default)	1m 18s
integration (ubuntu-2204, default)	1m 15s
integration (ubuntu-2404, default)	1m 3s
	33m 31s

Provide feedback