Bound numpy to less than 2.0

This is in accordance with numpy/numpy#24300

Author: eivindjahren

setup.py

@@ -126,7 +126,7 @@ def package_files(directory):
         "jinja2",
         "lark",
         "matplotlib",
-        "numpy",
+        "numpy<2",
         "packaging",
         "pandas",
         "pluggy",