Finalize release notes for v9.0.3 release (elastic#129938)

* Finalize docs for v9.0.3 release

* Fix breaking changes page

* Fix deprications page

* Fix release notes index page

---------

Co-authored-by: Charlotte Hoblik <[email protected]>
Co-authored-by: Charlotte Hoblik <[email protected]>

Author: elasticsearchmachine

docs/release-notes/breaking-changes.md

@@ -12,23 +12,15 @@ If you are migrating from a version prior to version 9.0, you must first upgrade
 
 % ## Next version [elasticsearch-nextversion-breaking-changes]
 
-```{applies_to}
-stack: coming 9.0.3
-```
 ## 9.0.3 [elasticsearch-9.0.3-breaking-changes]
 
 No breaking changes in this version.
 
-```{applies_to}
-stack: coming 9.0.2
-```
 ## 9.0.2 [elasticsearch-9.0.2-breaking-changes]
 
 Snapshot/Restore:
 * Make S3 custom query parameter optional [#128043](https://github.com/elastic/elasticsearch/pull/128043)
 
-
-
 ## 9.0.1 [elasticsearch-9.0.1-breaking-changes]
 
 No breaking changes in this version.

docs/release-notes/changelog-bundles/9.0.3.yml

@@ -1,6 +1,6 @@
 version: 9.0.3
-released: false
-generated: 2025-06-21T00:06:16.346021604Z
+released: true
+generated: 2025-06-24T15:19:29.859630035Z
 changelogs:
   - pr: 120869
     summary: Threadpool merge scheduler

docs/release-notes/deprecations.md

@@ -16,19 +16,11 @@ To give you insight into what deprecated features you’re using, {{es}}:
 
 % ## Next version [elasticsearch-nextversion-deprecations]
 
-```{applies_to}
-stack: coming 9.0.3
-```
 ## 9.0.3 [elasticsearch-9.0.3-deprecations]
 
 Engine:
 * Deprecate `indices.merge.scheduler.use_thread_pool` setting [#129464](https://github.com/elastic/elasticsearch/pull/129464)
 
-
-
-```{applies_to}
-stack: coming 9.0.2
-```
 ## 9.0.2 [elasticsearch-9.0.2-deprecations]
 
 No deprecations in this version.

docs/release-notes/index.md

@@ -21,9 +21,6 @@ To check for security updates, go to [Security announcements for the Elastic sta
 % *
 
 ## 9.0.3 [elasticsearch-9.0.3-release-notes]
-```{applies_to}
-stack: coming 9.0.3
-```
 
 ### Features and enhancements [elasticsearch-9.0.3-features-enhancements]
 
@@ -92,7 +89,6 @@ Searchable Snapshots:
 Security:
 * Fix error message when changing the password for a user in the file realm [#127621](https://github.com/elastic/elasticsearch/pull/127621)
 
-
 ## 9.0.2 [elasticsearch-9.0.2-release-notes]
 
 ### Features and enhancements [elasticsearch-9.0.2-features-enhancements]