Update changelog for 2.1.1 #166

Job	Run time
lint-unit / cookstyle	31s
lint-unit / markdown-link-check	14s
lint-unit / check-metadata	0s
lint-unit / markdownlint-cli2	4s
lint-unit / rspec	33s
lint-unit / yamllint	10s
dokken (almalinux-8, unencrypted)	1m 5s
dokken (almalinux-8, none)	1m 4s
dokken (almalinux-8, vault)	1m 10s
dokken (centos-7, unencrypted)	42s
dokken (centos-7, none)	30s
dokken (centos-7, vault)	29s
dokken (centos-stream-8, unencrypted)	1m 3s
dokken (centos-stream-8, none)	1m 4s
dokken (centos-stream-8, vault)	1m 6s
dokken (debian-10, unencrypted)	30s
dokken (debian-10, none)	33s
dokken (debian-10, vault)	32s
dokken (debian-11, unencrypted)	1m 8s
dokken (debian-11, none)	1m 3s
dokken (debian-11, vault)	1m 4s
dokken (rockylinux-8, unencrypted)	1m 6s
dokken (rockylinux-8, none)	1m 7s
dokken (rockylinux-8, vault)	1m 10s
dokken (ubuntu-1804, unencrypted)	42s
dokken (ubuntu-1804, none)	32s
dokken (ubuntu-1804, vault)	33s
dokken (ubuntu-2004, unencrypted)	1m 23s
dokken (ubuntu-2004, none)	1m 6s
dokken (ubuntu-2004, vault)	1m 4s
	23m 18s

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