Extract latest changelog entry and attach it to draft

.github/workflows/release.yml

@@ -1,10 +1,26 @@
-name: Release New Version
+name: Draft Release
 
 on:
   push:
     tags: '[0-9]+.[0-9]?[0-9]?[0-9]?.?[0-9]+'
 
 jobs:
+  draft:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fetch changelog from tag
+        uses: actions/checkout@v3
+        with:
+          sparse-checkout: CHANGELOG.md
+          sparse-checkout-cone-mode: false
+
+      - name: Extract latest changelog entry and attach it to draft
+        uses: taiki-e/create-gh-release-action@v1
+        with:
+          changelog: CHANGELOG.md
+          draft: true
+          token: ${{ secrets.GITHUB_TOKEN }}
+
   release:
     outputs:
       hashes: ${{ steps.hash.outputs.hashes }}