Merge pull request #5455 from UCB-Econ-148/upgrading-otter

Upgrading otter

Author: shaneknapp

deployments/data100/image/environment.yml

@@ -49,5 +49,5 @@ dependencies:
   - gh-scoped-creds==4.1
   - git+https://github.com/shaneknapp/python-popularity-contest.git@add-error-handling
   - ydata-profiling==4.6.4
-  - otter-grader==5.2.3
+  - otter-grader==5.3.0