software/slapos-master: use zope4py2 branches

software/slapos-master/software.cfg

@@ -19,12 +19,12 @@ list = ${erp5:location}/bt5 ${erp5:location}/product/ERP5/bootstrap ${erp5-bin:l
 repository_id_list = erp5 erp5-bin erp5-doc wendelin vifib/master
 
 [erp5]
-branch = erp5-vifib
+branch = erp5-vifib-zope4py2
 
 [vifib]
 <= erp5
 repository = https://lab.nexedi.com/nexedi/slapos.core.git
-branch = master
+branch = zope4py2
 
 [slapos-bin]
 <= erp5
@@ -35,7 +35,7 @@ branch = master
 recipe = slapos.recipe.build:gitclone
 git-executable = ${git:location}/bin/git
 repository = https://lab.nexedi.com/nexedi/wendelin.git
-branch = master
+branch = zope4py2
 
 [vifib-fix-products-paths]
 recipe = plone.recipe.command