Apply updates from cookiecutter

This automated commit applies the latest updates from our cookiecutters [1] to
this repo.

[1]: https://github.com/hypothesis/cookiecutters

.github/workflows/ci.yml

@@ -66,6 +66,7 @@ jobs:
         with:
           name: coverage
           path: .coverage.*
+          include-hidden-files: true
   Coverage:
     needs: tests
     runs-on: ubuntu-latest