Use recently version of slapos.tool.networkcache due a bug when network cache is not defined.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42566 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/profiles/versions-common.cfg

@@ -31,6 +31,7 @@ setuptools =
 
 # Use version of slapos.rebootstrap, with stabilised prefix
 slapos.rebootstrap >= 2.1
+slapos.tool.networkcache >= O.1.2
 
 # official pysvn egg does not supports --include-dirs and
 # --library-dirs, so we use our modified version