Bump rdkit version (#1304) (#1308)

* replace deprecated rdkit-pypi with rdkit package

* pin rdkit version to 2023.9.1

Co-authored-by: Daud Ahmed <daudahmed870@gmail.com>

ersilia/setup/requirements/compound.py

@@ -11,7 +11,7 @@ def __init__(self):
             self.install()
 
     def install(self):
-        run_command("python -m pip install rdkit-pypi")
+        run_command("python -m pip install rdkit==2023.9.1")
 
 
 class ChemblWebResourceClientRequirement(object):