Update metadata to match reality

This is needed so that we can rely on the metadata in https://github.com/adafruit/circuitpython-build-tools/pull/101

Please make a new tagged release after incorporating this change.

If you don't think you'll be able to deal with this in a timely fashion, please let me know.

pyproject.toml

@@ -44,7 +44,7 @@ classifiers = [
 dynamic = ["dependencies", "optional-dependencies"]
 
 [tool.setuptools]
-py-modules = ["circuitpython_uboxplot"]
+py-modules = ["uboxplot"]
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements.txt"]}