[GR-44488] Add missing kiwisolver dependency for matplotlib

Author: timfel

graalpython/lib-graalpython/modules/ginstall.py

@@ -544,6 +544,7 @@ def matplotlib(**kwargs):
         python_dateutil(**kwargs)
         numpy(**kwargs)
         Pillow(**kwargs)
+        kiwisolver(**kwargs)
 
         def download_freetype(extracted_dir):
             target_dir = os.path.join(extracted_dir, "build")