Make mysql_systemd_start_pre and mysql_systemd helper compatible with Amazon Linux 2023 #410

Job	Run time
lint-unit / check-metadata	3s
lint-unit / markdownlint-cli2	5s
lint-unit / markdown-link-check	12s
lint-unit / cookstyle	23s
lint-unit / rspec	45s
lint-unit / yamllint	9s
integration	0s
	1m 37s

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