Update metadata for 2.1.0 #157

Job	Run time
lint-unit / markdownlint-cli2	3s
lint-unit / cookstyle	32s
lint-unit / rspec	33s
lint-unit / yamllint	7s
lint-unit / check-metadata	0s
lint-unit / markdown-link-check	29s
dokken (almalinux-8, unencrypted)	1m 6s
dokken (almalinux-8, none)	1m 5s
dokken (almalinux-8, vault)	1m 8s
dokken (centos-7, unencrypted)	1m 39s
dokken (centos-7, none)	1m 7s
dokken (centos-7, vault)	1m 12s
dokken (centos-stream-8, unencrypted)	1m 10s
dokken (centos-stream-8, none)	1m 4s
dokken (centos-stream-8, vault)	1m 8s
dokken (debian-10, unencrypted)	1m 4s
dokken (debian-10, none)	1m 11s
dokken (debian-10, vault)	1m 4s
dokken (debian-11, unencrypted)	1m 11s
dokken (debian-11, none)	1m 8s
dokken (debian-11, vault)	1m 5s
dokken (rockylinux-8, unencrypted)	1m 12s
dokken (rockylinux-8, none)	1m 7s
dokken (rockylinux-8, vault)	1m 6s
dokken (ubuntu-1804, unencrypted)	1m 11s
dokken (ubuntu-1804, none)	1m 5s
dokken (ubuntu-1804, vault)	1m 5s
dokken (ubuntu-2004, unencrypted)	1m 4s
dokken (ubuntu-2004, none)	1m 7s
dokken (ubuntu-2004, vault)	1m 10s
	29m 13s

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