Release notes workflow

.github/actions/fetch-prs/action.yml

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+name: Fetch PRs
+description: Fetch PRs from the Kibana repository and update the release notes draft
+inputs:
+  target-repo:
+    description: 'elastic/kibana'
+    required: true
+    default: 'elastic/kibana'
+runs:
+  using: 'node12'
+  main: 'index.js'

.github/actions/fetch-prs/index.js

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+const core = require('@actions/core');
+const github = require('@actions/github');
+const fs = require('fs');
+
+async function run() {
+  try {
+    const targetRepo = core.getInput('elastic/kibana');
+    const [owner, repo] = targetRepo.split('/');
+    const octokit = github.getOctokit(process.env.GITHUB_TOKEN);
+
+    const { data: pulls } = await octokit.pulls.list({
+      owner,
+      repo,
+      state: 'closed',
+    });
+
+    let releaseNotes = '## Changes from ' + targetRepo + '\n\n';
+    for (const pr of pulls) {
+      if (pr.merged_at) {
+        releaseNotes += `- ${pr.title} (#${pr.number}) by @${pr.user.login}\n`;
+      }
+    }
+
+    fs.writeFileSync('release-notes.asciidoc', releaseNotes);
+    core.setOutput('release-notes', releaseNotes);
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run();

.github/release-drafter.yml

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+name-template: 'v$NEXT_PATCH_VERSION'
+tag-template: 'v$NEXT_PATCH_VERSION'
+change-template: '* $TITLE ({$URL[#$NUMBER])' 
+exclude-labels:
+  - 'release_note:skip'
+  - 'Team:Docs'
+  - 'reverted'
+  - 'backport'
+include-labels:
+  - 'Feature:Uptime'
+  - 'Feature:Logs UI'
+  - 'Team:apm'
+  - 'Team:APM'
+  - 'Feature:Metrics UI'
+  - 'Team:logs-metrics-ui'
+  - 'Feature:Observability Home'
+  - 'Team:obs-ux-management'
+  - 'Team:Obs AI Assistant'
+  - 'Feature:SLO'
+categories:
+  - title: 'Breaking changes'
+    collapse-after: 5
+    labels: ['release_note:breaking']
+  - title: 'Features and enhancements'
+    collapse-after: 5
+    labels: ['release_note:feature', 'release_note:enhancement']
+  - title: 'Bug fixes'
+    collapse-after: 5
+    labels: ['release_note:fix']
+template: |
+  == Elastic {observability}
+
+  $CHANGES
+
+ To view all changes, check https://github.com/$OWNER/$REPO/compare/$PREVIOUS_TAG...$CURRENT_TAG.

.github/workflows/release-drafter.yml

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+name: Release notes drafter
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [ closed ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Fetch PRs from another repository
+        id: fetch_prs
+        uses: ./.github/actions/fetch-prs
+        with:
+          target-repo: 'elastic/kibana'
+
+      - name: Run release notes drafter
+        id: drafter
+        uses: release-drafter/release-drafter@v5
+        with:
+          config-name: release-drafter.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Update release notes
+        run: echo "${{ steps.fetch_prs.outputs.release-notes }}" >> release-notes.asciidoc
+
+      - name: Create release
+        uses: actions/create-release@v1
+        with:
+          tag_name: ${{ github.event.release.tag_name }}
+          release_name: ${{ github.event.release.tag_name }}
+          body_path: release-notes.asciidoc
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}