Merge pull request #1962 from python-trio/dependabot/pip/parso-0.8.2

Author: dependabot-preview[bot]

test-requirements.txt

@@ -70,7 +70,7 @@ outcome==1.1.0
     # via -r test-requirements.in
 packaging==20.9
     # via pytest
-parso==0.8.1
+parso==0.8.2
     # via jedi
 pathspec==0.8.1
     # via black