regr_test.py: Allow non-types dependencies (#9382)

.github/workflows/tests.yml

@@ -100,7 +100,7 @@ jobs:
           cache: pip
           cache-dependency-path: requirements-tests.txt
       - run: pip install -r requirements-tests.txt
-      - run: python ./tests/regr_test.py --all --quiet
+      - run: python ./tests/regr_test.py --all --verbosity QUIET
 
   pyright:
     name: Test typeshed with pyright