Update draft-pdf.yml

.github/workflows/draft-pdf.yml

@@ -1,4 +1,5 @@
-on: [push]
+on:
+  push
 
 jobs:
   paper:
@@ -7,17 +8,17 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          node-version: '20'  # Update the Node.js version to 20
+
       - name: Build draft PDF
         uses: openjournals/openjournals-draft-action@master
         with:
           journal: joss
-          # This should be the path to the paper within your repo.
           paper-path: paper/paper.md
+
       - name: Upload
         uses: actions/upload-artifact@v1
         with:
           name: paper
-          # This is the output path where Pandoc will write the compiled
-          # PDF. Note, this should be the same directory as the input
-          # paper.md
-          path: paper/paper.pdf
+          path: paper/paper.pdf