additional update to yml for an updated mypy

Author: jtsodapop

.github/workflows/python-package.yml

@@ -68,7 +68,7 @@ jobs:
           python -m pip install .
       - name: mypy
         run: |
-          pip install mypy==0.782
+          pip install mypy==0.931
           mypy -p labelbox --pretty --show-error-codes
       - name: Install package and test dependencies
         run: |