Fix hatchling build by adding required sections (#909)

This adds the newly required sections to the hatchling build and making
sure the right files get included in the wheel.

See pypa/hatch#1113 for context.

jupyterlab/pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatchling>=1.4.0", "jupyterlab==4.0.0", "hatch-nodejs-version"]
+requires = ["hatchling>=1.19.0", "jupyterlab==4.0.0", "hatch-nodejs-version"]
 build-backend = "hatchling.build"
 
 [project]
@@ -60,5 +60,11 @@ npm = ["jlpm"]
 source_dir = "src"
 build_dir = "qsharp-jupyterlab/labextension"
 
+[tool.hatch.build.targets.wheel]
+packages = ["qsharp-jupyterlab"]
+
+[tool.hatch.build.targets.wheel.force-include]
+"./setup.py" = "setup.py"
+
 [tool.check-wheel-contents]
 ignore = ["W002"]