Add Elasticsearch release notes (#2970)

Author: lcawl

docs/en/install-upgrade/breaking.asciidoc

@@ -5,14 +5,14 @@ Before you upgrade, you must review the breaking changes for each product you
 use and make the necessary changes so your code is compatible with {version}.
 
 // tag::breaking-changes-links[]
-** {apm-guide-ref}/apm-breaking.html[APM breaking changes]
-** {beats-ref}/breaking-changes.html[{beats} breaking changes]
-** {ref}/breaking-changes.html[{es} migration guide]
-** {security-guide}/release-notes.html[{elastic-sec} release notes]
-** {enterprise-search-ref}/changelog.html[{ents} release notes]
-** {fleet-guide}/release-notes.html[{fleet} and {agent} release notes]
-** {kibana-ref}/release-notes.html[{kib} release notes]
-** {logstash-ref}/breaking-changes.html[{ls} breaking changes]
+// ** {apm-guide-ref}/apm-breaking.html[APM breaking changes]
+// ** {beats-ref}/breaking-changes.html[{beats} breaking changes]
+** <<release-notes-elasticsearch-9.0.0,{es} release notes>>
+** <<release-notes-security-9.0.0,{elastic-sec} release notes>>
+// ** {enterprise-search-ref}/changelog.html[{ents} release notes]
+// ** {fleet-guide}/release-notes.html[{fleet} and {agent} release notes]
+** <<release-notes-kibana-9.0.0,{kib} release notes>>
+** <<release-notes-logstash-9.0.0,{ls} breaking changes>>
 // end::breaking-changes-links[]
 
 // tag::breaking-changes-admon[]

docs/en/install-upgrade/release-notes/release-notes-elasticsearch.asciidoc

@@ -21,8 +21,8 @@ This section summarizes the changes in each release.
 
 Also see:
 
-* {kibana-ref}/release-notes.html[{kib} release notes]
-* {beats-ref}/release-notes.html[{beats} release notes]
+* <<release-notes-kibana-9.0.0,{kib} release notes>>
+* <<release-notes-beats-9.0.0,{beats} release notes>>
 
 // begin 9.0.0-beta1 relnotes
 

docs/en/install-upgrade/release-notes/release-notes-fleet-agent.asciidoc

@@ -1,4 +1,4 @@
-[[release-notes-kibana-9.0.0-beta1]]
+[[release-notes-kibana-9.0.0]]
 = {kib} version 9.0.0-beta1
 ++++
 <titleabbrev>{kib}</titleabbrev>
@@ -195,7 +195,7 @@ Logs Explorer has been removed. Instead, you can use Discover, that was improved
 
 **Elastic Security solution**
 
-For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0-beta1,_Elastic Security Solution Release Notes_>>.
+For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0,_Elastic Security Solution Release Notes_>>.
 
 **Data ingestion and Fleet**
 
@@ -368,7 +368,7 @@ The `visualization:colorMapping` advanced setting for TSVB and Visualize charts
 Data ingestion and Fleet::
 * New setting allowing automatic deletion of unenrolled agents in Fleet settings ({kibana-pull}195544[#195544]).
 Elastic Security solution::
-For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0-beta1,_Elastic Security Solution Release Notes_>>.
+For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0,_Elastic Security Solution Release Notes_>>.
 Kibana security::
 * New interface for Automatic Import CEL generation flow ({kibana-pull}206491[#206491]).
 
@@ -390,7 +390,7 @@ Data ingestion and Fleet::
 * Updates max supported package version  ({kibana-pull}196675[#196675]).
 //* Remove old bundled.yaml from oas, fixed tags ({kibana-pull}194788[#194788]).
 Elastic Security solution::
-For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0-beta1,_Elastic Security Solution Release Notes_>>.
+For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0,_Elastic Security Solution Release Notes_>>.
 Kibana security::
 * Updates `js-yaml` to `4.1.0` ({kibana-pull}190678[#190678]).
 Machine Learning::
@@ -414,6 +414,6 @@ Elastic Observability solution::
 * Fixes chat on the Alerts page ({kibana-pull}197126[#197126]).
 * Fixes an error that could prevent the Observability Infrastructure Inventory view from loading after an upgrade due to missing versioning on inventory_view_saved_object ({kibana-pull}207007[#207007]).
 Elastic Security solution::
-For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0-beta1,_Elastic Security Solution Release Notes_>>.
+For the Elastic Security 9.0.0 release information, refer to <<release-notes-security-9.0.0,_Elastic Security Solution Release Notes_>>.
 Platform::
 * Fixes several interface inconsistencies on the Space creation and settings pages ({kibana-pull}197303[#197303]).

docs/en/install-upgrade/release-notes/release-notes-kibana.asciidoc

@@ -1,4 +1,4 @@
-[[release-notes-logstash-9.0.0-beta1]]
+[[release-notes-logstash-9.0.0]]
 = {ls} version 9.0.0-beta1
 ++++
 <titleabbrev>{ls}</titleabbrev>

docs/en/install-upgrade/release-notes/release-notes-logstash.asciidoc

@@ -1,4 +1,4 @@
-[[release-notes-security-9.0.0-beta1]]
+[[release-notes-security-9.0.0]]
 = {elastic-sec} version 9.0.0-beta1
 ++++
 <titleabbrev>{elastic-sec}</titleabbrev>

docs/en/install-upgrade/release-notes/release-notes-security.asciidoc

@@ -4,9 +4,10 @@
 This section summarizes the changes in the {stack} releases.
 
 * <<release-notes-beats-9.0.0>>
-* <<release-notes-security-9.0.0-beta1>>
-* <<release-notes-elasticsearch-9.0.0-beta1>>
+* <<release-notes-security-9.0.0>>
+* <<release-notes-elasticsearch-9.0.0>>
 * <<release-notes-fleet-agent-9.0.0>>
-* <<release-notes-kibana-9.0.0-beta1>>
-* <<release-notes-logstash-9.0.0-beta1>>
+* <<release-notes-kibana-9.0.0>>
+* <<release-notes-logstash-9.0.0>>
+