paper-bot: Update 5PNM5LT8

[github-actions]

Fixes #528

This is an automated PR adding a new publication to the website.

V Stoiber, N Gehlenborg, W Aigner, M Streit. "time-i-gram: A Grammar for Interactive Visualization of Time-based Data", OSF Preprints (2024)

Please review the changes.

You can use the GitHub CLI to pull down this branch and make changes:

# Check out the PR
gh pr checkout <PR number>
# Make changes
git add .
git commit -m "Update stoiber-2024-5PNM5LT8.md"
git push