Increase version number

--HG--
branch : 7.0

sao/package.json

@@ -2,7 +2,7 @@
   "name": "tryton-sao",
   "title": "sao",
   "description": "Tryton webclient",
-  "version": "7.0.20",
+  "version": "7.0.21",
   "homepage": "http://www.tryton.org/",
   "author": {
     "name": "Tryton"

sao/src/sao.js

@@ -3,7 +3,7 @@
 
 /* eslint-disable no-redeclare */
 var Sao = {
-    __version__: '7.0.20',
+    __version__: '7.0.21',
 };
 /* eslint-enable no-redeclare */