Update draft-pdf.yml

Author: ssmahto

.github/workflows/draft-pdf.yml

@@ -10,8 +10,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Build draft PDF
-        uses: openjournals/openjournals-draft-action@master
+      - name: Open Journals PDF Generator
+        uses: openjournals/openjournals-draft-action@v.1.0            
         with:
           journal: joss
           # This should be the path to the paper within your repo.