Bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.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@v4
+              uses: actions/upload-artifact@v5
               with:
                   name: paper
                   # This is the output path where Pandoc will write the compiled