Merge pull request #2452 from python-trio/dependabot/pip/dill-0.3.6

Bump dill from 0.3.5.1 to 0.3.6

Author: pquentin

test-requirements.txt

@@ -32,7 +32,7 @@ cryptography==38.0.2
     #   trustme
 decorator==5.1.1
     # via ipython
-dill==0.3.5.1
+dill==0.3.6
     # via pylint
 flake8==4.0.1
     # via -r test-requirements.in