[DOCS] Add cgroup v2 startup failure note for ES 8.0.0–8.4.3 (#157588)

* docs: add cgroup v2 startup failure note for ES 8.0.0–8.4.3

* docs: add cgroup v2 known issue to release notes for ES 8.0.0–8.4.3

Use the tagged-region pattern (matching existing known-issue conventions)
to surface the startup failure in each affected version's release notes
rather than in the install/sysconfig pages, which are irrelevant to
users already on 8.19.

Adds a tagged region in 8.0.0.asciidoc and includes it in all affected
patch release notes: 8.0.1 through 8.4.3 (18 files total). Also reverts
the previous incorrect changes to install.asciidoc and sysconfig.asciidoc.

Related: elastic/support-tech-lead#1913
KB: https://ela.st/es-may-fail-on-cgroup-v2

Author: kunisen

docs/reference/release-notes/8.0.0.asciidoc

@@ -37,6 +37,12 @@ bin/elasticsearch-create-enrollment-token -s kibana
 is due to https://github.com/FasterXML/jackson-core/issues/882[a bug in Jackson parser].
 Fixed in {es} 8.6.1 ({es-pull}92480[#91456])
 // end::jackson-filtering-bug[]
+// tag::cgroup-v2-startup-failure[]
+* {es} versions 8.0.0–8.4.3 fail to start on Linux hosts that use
+https://man7.org/linux/man-pages/man7/cgroups.7.html[cgroups] version 2 exclusively
+with the bundled JDK. Upgrade to 8.5.0 or later to resolve this.
+Refer to https://ela.st/es-may-fail-on-cgroup-v2[our KB article] for more guidance.
+// end::cgroup-v2-startup-failure[]
 
 
 [[breaking-8.0.0]]

docs/reference/release-notes/8.0.1.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.0,Breaking changes in 8.0>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.0.1]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.1.0.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.1,Breaking changes in 8.1>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[breaking-8.1.0]]
 [float]
 === Breaking changes

docs/reference/release-notes/8.1.1.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.1,Breaking changes in 8.1>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.1.1]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.1.2.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.1,Breaking changes in 8.1>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.1.2]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.1.3.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.1,Breaking changes in 8.1>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.1.3]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.2.0.asciidoc

@@ -7,6 +7,8 @@
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.2.0]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.2.1.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.2,Breaking changes in 8.2>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.2.1]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.2.2.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.2,Breaking changes in 8.2>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.2.2]]
 [float]
 === Bug fixes

docs/reference/release-notes/8.2.3.asciidoc

@@ -7,6 +7,8 @@ Also see <<breaking-changes-8.2,Breaking changes in 8.2>>.
 === Known issues
 
 include::8.0.0.asciidoc[tag=jackson-filtering-bug]
+
+include::8.0.0.asciidoc[tag=cgroup-v2-startup-failure]
 [[bug-8.2.3]]
 [float]
 === Bug fixes