Update sous-chefs/.github action to v3 #205

Job	Run time
lint-unit / cookstyle	48s
lint-unit / check-metadata	6s
lint-unit / markdown-link-check	19s
lint-unit / markdownlint-cli2	6s
lint-unit / rspec	41s
lint-unit / yamllint	11s
integration-windows (windows-latest, default)	10m 3s
integration-macos (macos-latest, default)	2m 27s
integration (amazonlinux-2, default)	1m 45s
integration (centos-7, default)	1m 49s
integration (centos-8, default)	1m 39s
integration (debian-9, default)	53s
integration (debian-10, default)	1m 44s
integration (fedora-latest, default)	1m 16s
integration (opensuse-leap-15, default)	52s
integration (oraclelinux-7, default)	2m 0s
integration (oraclelinux-8, default)	1m 14s
integration (ubuntu-1804, default)	1m 49s
integration (ubuntu-2004, default)	1m 38s
	31m 20s

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