Add missing comma to pyproject.toml

Author: yguclu

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     'pyevtk',
 
     # Our packages from PyPi
-    'sympde @ https://github.com/pyccel/sympde/archive/refs/heads/dot-inner.zip'
+    'sympde @ https://github.com/pyccel/sympde/archive/refs/heads/dot-inner.zip',
     'pyccel >= 1.11.2',
     'gelato == 0.12',