Update draft-pdf.yml

change v1 to v4 since v1/v2 actions are deprecated

Author: cassidymwagner

.github/workflows/draft-pdf.yml

@@ -21,7 +21,7 @@ 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@v4
         with:
           name: paper
           # This is the output path where Pandoc will write the compiled
@@ -32,4 +32,4 @@ jobs:
         uses: EndBug/add-and-commit@v9
         with:
           message: '(auto) Paper PDF Draft'
-          add: 'paper/paper.pdf'
+          add: 'paper/paper.pdf'