update weeks

_modules/week-15.md

@@ -4,7 +4,7 @@ ref: 'week-15'
 ---
 
 Apr 22
-: **Lab**{: .label .label-lab } Lab 12: Differential Privacy (due Apr 24 at **5 PM**)
+: **Lab**{: .label .label-lab } [Lab 12: Differential Privacy](http://data102.datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fds-102%2Fsp24-materials&urlpath=lab%2Ftree%2Fsp24-materials%2Flab%2Flab12%2Flab12.ipynb&branch=main) (due Apr 24 at **5 PM**)
 
 Apr 23
 : **Lecture**{: .label .label-lecture } 25. Robustness and Generalization