Apply updates from cookiecutter

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

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

pyproject.toml

@@ -140,6 +140,9 @@ output-format = "colorized"
 score = "no"
 
 [tool.mypy]
+allow_untyped_globals = true
+error_summary = false
+pretty = true
 warn_unused_configs = true
 warn_redundant_casts = true
 warn_unused_ignores = true