erp5: pin uritemplate to 0.6 because google-api-python-client does not work...

erp5: pin uritemplate to 0.6 because google-api-python-client does not work with with version 3.0 of uritemplate

stack/erp5/buildout.cfg

@@ -632,6 +632,11 @@ python-magic = 0.4.12+SlapOSPatched001
 # specify dev version to be sure that an old released version is not used
 cloudooo = 1.2.5-dev
 
+# use uritemplate (>=0.6, <1) because google-api-python-client
+# only works with this pinned version
+uritemplate = 0.6
+google-api-python-client = 1.5.3
+
 # use newer version than specified in ZTK
 PasteDeploy = 1.5.2
 Pygments = 2.1.3
@@ -697,7 +702,6 @@ eventlet = 0.19.0
 five.formlib = 1.0.4
 five.localsitemanager = 2.0.5
 greenlet = 0.4.10
-google-api-python-client = 1.5.3
 http-parser = 0.8.3
 httplib2 = 0.9.2
 huBarcode = 1.0.0