Pin CI version of `click` to resolve mypy error (#2769)

* Add upper bound to click version to fix mypy error

* Move pin to `requirements.txt`

* Restore `pyproject.toml`

diff --git a/requirements.txt b/requirements.txt
index e05ee5b024a360839e6ea4e0a0ec8bc16548abfb..325f4cb9de47686238d211411306e2b9dbf8d144 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,3 +30,7 @@ trio==0.22.0
 trio-typing==0.8.0
 trustme==1.0.0
 uvicorn==0.22.0
+
+# The latest click fails type checks due to bug
+# https://github.com/pallets/click/issues/2558
+click==8.1.3