Exclude tests from distribution (#1486)

* Exclude tests from distribution

Fixes #1478

* Update pyproject.toml

* Update pyproject.toml

---------
Co-authored-by: Matthew Douglas <38992547+matthewdouglas@users.noreply.github.com>

pyproject.toml

@@ -74,6 +74,9 @@ test = [
 [tool.setuptools]
 package-data = { "*" = ["libbitsandbytes*.*"] }
 
+[tool.setuptools.packages.find]
+include = ["bitsandbytes*"]
+
 [tool.setuptools.dynamic]
 version = {attr = "bitsandbytes.__version__"}