Update draft-pdf.yml

Updated paper generation to use updated artifact actions. Most minimal change.

Author: Jacks0nJ

.github/workflows/draft-pdf.yml

@@ -14,7 +14,7 @@ jobs:
           # This should be the path to the paper within your repo.
           paper-path: ./paper/paper.md
       - name: Upload
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v3
         with:
           name: paper
           # This is the output path where Pandoc will write the compiled