Update dev docs patch release workflow (#20875)

Author: ericywl

dev_docs/RELEASES.md

@@ -10,16 +10,14 @@ This documentation is for 9.x releases. If you are releasing a 8.x look [here](.
 2. Ensure all relevant backport PRs are merged. We use backport labels on PRs and automation to ensure labels are set.
 3. Run the [`run-patch-release`](https://github.com/elastic/apm-server/actions/workflows/run-patch-release.yml) workflow
     - In "Use workflow from", select `main` branch.
-    - Then in "The version", specify the **upcoming** patch release version - es: on `8.14.2` feature freeze you will use `8.14.2`).
+    - Then in "The version", specify the **upcoming** patch release version, e.g.: on `9.3.2` feature freeze you will use `9.3.2`).
     - This workflow will:
         - Create the `update-<VERSION>` branch.
         - Update version constants across the codebase and create a PR targeting the release branch.
 4. Release notes for patch releases **must be manually added** at least one day before release.
-5. Create a PR targeting the `main` branch and add the backport label for the release branch. To add release notes:
-    - Add a new section to the existing release notes file ([Sample PR](https://github.com/elastic/apm-server/pull/12680)).
-    - Review the [changelogs/head](https://github.com/elastic/apm-server/tree/main/changelogs/head.asciidoc) file and move relevant changelog entries from `head.asciidoc` to `release_version.asciidoc` if the change is backported to release_version. If changes do not apply to the version being released, keep them in the `head.asciidoc` file.
-    - Review the commits in the release to ensure all changes are reflected in the release notes. Check for backported changes without release notes in `release_version.asciidoc`.
-    - Add your PR to the documentation release issue in the [`elastic/dev`](https://github.com/elastic/dev/issues?q=is%3Aissue%20state%3Aopen%20label%3Adocs) repo ([Sample Issue](https://github.com/elastic/dev/issues/2485)).
+5. Create a PR targeting the `main` branch. To add release notes:
+    - Add a new section to the existing release notes file ([Sample PR](https://github.com/elastic/apm-server/pull/20723)) containing the `Features and enchancements` as well as the `Fixes` subsections.
+    - Add your PR to the documentation release issue in the [`elastic/dev`](https://github.com/elastic/dev/issues?q=is%3Aissue%20state%3Aopen%20label%3Adocs) repo ([Sample Issue](https://github.com/elastic/dev/issues/3467)).
     - The PR should be merged the day before release.
 
 ## Minor Release