stick to Zope 2.12.22 because Zope 2.12.23's ObjectManager.__getitem__ is much...

stick to Zope 2.12.22 because Zope 2.12.23's ObjectManager.__getitem__ is much slower for a module having lots of sub objects (same as d69b76ed, that seems lost by a careless merge).

stack/erp5/buildout.cfg

@@ -556,6 +556,11 @@ scripts =
   zodbpack
 
 [versions]
+# stick to Zope 2.12.22 because Zope 2.12.23's
+# ObjectManager.__getitem__ is much slower for a module having lots of
+# sub objects.
+Zope2 = 2.12.22
+
 # pin Acquisition and Products.DCWorkflow to Nexedi flavour of eggs
 Acquisition = 2.13.7nxd001
 Products.DCWorkflow = 2.2.3nxd002