[DOCS] Add jump list to breaking changes page (#61598) (#61740)

Author: jrodewig

docs/reference/migration/index.asciidoc

@@ -9,6 +9,17 @@ release, see the <<release-highlights>> and <<es-release-notes>>.
 
 For information about how to upgrade your cluster, see <<setup-upgrade>>.
 
+* <<breaking-changes-7.9,Breaking changes in 7.9>>
+* <<breaking-changes-7.8,Breaking changes in 7.8>>
+* <<breaking-changes-7.7,Breaking changes in 7.7>>
+* <<breaking-changes-7.6,Breaking changes in 7.6>>
+* <<breaking-changes-7.5,Breaking changes in 7.5>>
+* <<breaking-changes-7.4,Breaking changes in 7.4>>
+* <<breaking-changes-7.3,Breaking changes in 7.3>>
+* <<breaking-changes-7.2,Breaking changes in 7.2>>
+* <<breaking-changes-7.1,Breaking changes in 7.1>>
+* <<breaking-changes-7.0,Breaking changes in 7.0>>
+
 --
 
 include::migrate_7_9.asciidoc[]