Fix a lint error caused by click deprecating __version__

Author: dralley

.ci/scripts/check_click_for_mypy.py

@@ -1,9 +1,12 @@
 #!/bin/env python3
 
-import click
+from importlib.metadata import version
+
 from packaging.version import parse
 
-if parse(click.__version__) < parse("8.1.1") or parse(click.__version__) >= parse("8.2"):
+click_version = version("click")
+
+if parse(click_version) < parse("8.1.1") or parse(click_version) >= parse("8.2"):
     print("🚧 Linting with mypy is currently only supported with click~=8.1.1. 🚧")
     print("🔧 Please run `pip install click~=8.1.1` first. 🔨")
     exit(1)