feat(3171): Move pipeline template workflowGraph out of config into a…

… new field (#37)

BREAKING CHANGE: Move workflowGraph out of config and keep it at the same level as config

package.json

@@ -1,6 +1,6 @@
 {
   "name": "screwdriver-notifications-email",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Sends email notifications on certain build events.",
   "main": "index.js",
   "scripts": {
@@ -46,7 +46,7 @@
     "@hapi/hoek": "^10.0.1",
     "joi": "^17.7.0",
     "nodemailer": "^6.8.0",
-    "screwdriver-data-schema": "^23.0.4",
+    "screwdriver-data-schema": "^24.0.0",
     "screwdriver-logger": "^2.0.0",
     "screwdriver-notifications-base": "^4.0.0",
     "tinytim": "^0.1.1"