fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-EJS-6689533
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-JSON5-3182856
- https://snyk.io/vuln/SNYK-JS-KINDOF-537849

package.json

@@ -16,17 +16,17 @@
   },
   "dependencies": {
     "babel-traverse":"7.0.0-beta.3", 
-    "json5":"2.2.1", 
-    "kind-of":"6.0.2", 
-    "ember-cli-babel":"7.26.11",
+    "json5":"2.2.2", 
+    "kind-of":"6.0.3", 
+    "ember-cli-babel":"8.0.0",
     "ember-debug-logger":"2.1.1",
     "adm-zip": "0.4.10",
     "body-parser": "1.9.0",
     "cfenv": "^1.0.4",
     "consolidate": "0.14.5",
     "dustjs-helpers": "1.5.0",
     "dustjs-linkedin": "2.5.0",
-    "ejs": "1.0.0",
+    "ejs": "3.1.10",
     "ejs-locals": "1.0.2",
     "errorhandler": "1.2.0",
     "express": "4.12.4",