fix pyproject.toml

Author: Slackow

pyproject.toml

@@ -23,7 +23,7 @@ packscript = "packscript:main"
 
 [tool.setuptools]
 py-modules = ["packscript"]
-package.find.exclude = ["test", "test.*"]
+packages.find.exclude = ["test", "test.*"]
 
 [tool.setuptools.dynamic]
 version = {attr = "packscript.__version__"}