ci: Extract latest changelog entry to GH release

Author: MorevM

.github/extract-latest-changelog-entry.cjs

@@ -0,0 +1,7 @@
+const { readFileSync } = require('node:fs');
+const { join } = require('node:path');
+
+module.exports = () => {
+	const contents = readFileSync(join(__dirname, '..', 'CHANGELOG.md'), { encoding: 'utf8' });
+	return contents.match(/## .*?\n(.*?)## [\d[]/s)[1].trim();
+};

.github/workflows/release.yaml

@@ -31,10 +31,21 @@ jobs:
       - name: Build
         run: yarn build
 
+      - name: Getting latest changelog entry
+        uses: actions/github-script@v7
+        id: latest-changelog-entry
+        with:
+          result-encoding: string
+          script: |
+            const extractLatestChangelogEntry = require('./.github/extract-latest-changelog-entry.cjs');
+            return extractLatestChangelogEntry();
+
       - name: Create release
         uses: softprops/action-gh-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          body: ${{steps.latest-changelog-entry.outputs.result}}
 
       - name: Publish package
         run: yarn publish --access public