Update changelog for 2.11.12 #286

Job	Run time
lint-unit / rspec	37s
lint-unit / yamllint	9s
lint-unit / cookstyle	32s
lint-unit / check-metadata	0s
lint-unit / markdown-link-check	12s
lint-unit / markdownlint-cli2	3s
integration-windows (windows-latest, windows-default)	8m 48s
integration (almalinux-8, default)	1m 14s
integration (amazonlinux-2, default)	1m 16s
integration (amazonlinux-2, iptables)	1m 17s
integration (centos-7, default)	31s
integration (centos-stream-8, default)	1m 25s
integration (debian-10, default)	29s
integration (debian-10, iptables)	30s
integration (debian-11, default)	1m 18s
integration (debian-11, iptables)	1m 13s
integration (fedora-latest, default)	1m 19s
integration (fedora-latest, iptables)	1m 18s
integration (opensuse-leap-15, default)	2m 23s
integration (ubuntu-1804, default)	33s
integration (ubuntu-1804, iptables)	33s
integration (ubuntu-2004, default)	1m 12s
integration (ubuntu-2004, iptables)	1m 15s
integration (rockylinux-8, default)	1m 40s
	29m 47s

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