Auto-create release on tag push

.github/workflows/release-pdf.yml

@@ -1,8 +1,9 @@
 name: Build PDF on Release
 
 on:
-  release:
-    types: [published]
+  push:
+    tags:
+      - 'v*'
   workflow_dispatch:
 
 permissions:
@@ -34,10 +35,11 @@ jobs:
       - name: Build PDF
         run: mdpress build --format pdf --output docker_practice.pdf
 
-      - name: Upload PDF to Release
-        if: github.event_name == 'release'
+      - name: Create Release and upload PDF
+        if: startsWith(github.ref, 'refs/tags/')
         uses: softprops/action-gh-release@v2
         with:
+          generate_release_notes: true
           files: docker_practice.pdf
 
       - name: Upload PDF as artifact