Update draft-pdf.yml

Author: RossDHays

.github/workflows/draft-pdf.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           journal: joss
           # This should be the path to the paper within your repo.
-          paper-path: Paper/Paper.md
+          paper-path: Paper/paper.md
 
       - name: Upload PDF
         uses: actions/upload-artifact@v4