Merge pull request #592 from ccnmtl/dependabot/pip/zipp-3.21.0

Bump zipp from 3.20.2 to 3.21.0

Author: ndittren

test_reqs.txt

@@ -2,7 +2,7 @@ Markdown==3.7  # pyup: <3.2
 coverage==7.6.4
 importlib_metadata<8.6
 typing_extensions==4.12.2
-zipp==3.20.2  # for flake8
+zipp==3.21.0  # for flake8
 flake8==7.1.1
 pep8==1.7.1
 pyflakes==3.2.0