Update sous-chefs/.github action to v2.0.6 #199

Job	Run time
lint-unit / cookstyle	37s
lint-unit / check-metadata	3s
lint-unit / markdown-link-check	9s
lint-unit / markdownlint-cli2	4s
lint-unit / rspec	45s
lint-unit / yamllint	7s
integration-windows (windows-latest, default)	13m 14s
integration (amazonlinux-2, default)	1m 38s
integration (centos-7, default)	1m 30s
integration (centos-8, default)	1m 19s
integration (debian-9, default)	54s
integration (debian-10, default)	1m 23s
integration (fedora-latest, default)	1m 6s
integration (opensuse-leap-15, default)	51s
integration (oraclelinux-7, default)	1m 43s
integration (oraclelinux-8, default)	1m 9s
integration (ubuntu-1804, default)	1m 58s
integration (ubuntu-2004, default)	1m 42s
integration-macos (macos-latest, default)	2m 27s
	32m 39s

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