[CHORE] Update version value to ember-source

Author: rajasegar

manifest.json

@@ -52,31 +52,31 @@
   },
   "deprecate-merge-codemod": {
     "versions": {
-      "ember-cli": "3.6.0-beta.1"
+      "ember-source": "3.6.0-beta.1"
     },
     "projectOptions": ["app", "addon"],
     "nodeVersion": "6.0.0",
     "commands": ["ember-3x-codemods deprecate-merge app/**/*.js"]
   },
   "deprecate-router-events-codemod": {
     "versions": {
-      "ember-cli": "3.6.0-beta.1"
+      "ember-source": "3.6.0-beta.1"
     },
     "projectOptions": ["app", "addon"],
     "nodeVersion": "6.0.0",
     "commands": ["ember-3x-codemods deprecate-router-events app/**/*.js"]
   },
   "cp-property-codemod": {
     "versions": {
-      "ember-cli": "3.9.0-beta.1"
+      "ember-source": "3.9.0-beta.1"
     },
     "projectOptions": ["app", "addon"],
     "nodeVersion": "6.0.0",
     "commands": ["ember-3x-codemods cp-property app/**/*.js"]
   },
   "cp-volatile-codemod": {
     "versions": {
-      "ember-cli": "3.9.0-beta.1"
+      "ember-source": "3.9.0-beta.1"
     },
     "projectOptions": ["app", "addon"],
     "nodeVersion": "6.0.0",