jarrah42 for 2023-11-12-sc: Update presentations by 2023-10-20

[bernhold]

• [ ] "Update https://github.com/bssw-tutorial/presentations/blob/master/rep-workflows.pptx by 2023-10-20"
• [ ] "Update https://github.com/bssw-tutorial/presentations/blob/master/reproducibility.pptx by 2023-10-20"
• [ ] "Remember to update <https://github.com/bssw-tutorial/presentations/blob/master/presentations.yml if any titles change!"