Bump ember-template-recast v3 to v6

Author: apellerano-pw

package.json

@@ -31,7 +31,7 @@
     "@babel/plugin-proposal-decorators": "^7.7.4",
     "@babel/plugin-proposal-object-rest-spread": "^7.7.4",
     "@babel/traverse": "^7.7.4",
-    "ember-template-recast": "^3.3.0",
+    "ember-template-recast": "^6.1.5",
     "fs-extra": "^7.0.1",
     "glob": "^7.1.4",
     "jscodeshift": "^0.10.0",