Fix the typing noxenv.

So long as nox using uv is still broken (until wntrblm/nox#953 is
released), `pip` can't handle installing the package "twice" this way
(since it appears in the requirements file, even though in a compatible
way).

Author: Julian

noxfile.py

@@ -102,7 +102,7 @@ def typing(session):
     """
     Check the codebase using pyright by type checking the test suite.
     """
-    session.install("pyright", ROOT, "-r", REQUIREMENTS["tests"])
+    session.install("pyright", "-r", REQUIREMENTS["tests"])
     session.run("pyright", TESTS)