Update Workflows to Version 0.16.8

[carpentries-bot]

:robot: This is an automated build

Update Workflows from sandpaper version 0.16.7 -> 0.16.8

• Auto-generated by create-pull-request on 2024-10-15T00:08+00:00

[github-actions[bot]]

:information_source: Modified Workflows

This pull request contains modified workflow files and no preview will be created.

Workflow files modified:

• .github/workflows/sandpaper-main.yaml
• .github/workflows/sandpaper-version.txt

If this is not from a trusted source, please inspect the changes for any malicious content.