fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ELECTRON-7577919
- https://snyk.io/vuln/SNYK-JS-ELECTRON-7577921
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116

package.json

@@ -19,11 +19,11 @@
     "yallist":"4.0.0",
     "fs":"0.0.1-security",
     "nopt":"1.0.10",
-    "electron":"29.1.6",
+    "electron":"31.4.0",
     "babel-traverse":"7.0.0-beta.3", 
     "json5":"2.2.1", 
     "kind-of":"6.0.2", 
-    "ember-cli-babel":"7.26.11",
+    "ember-cli-babel":"8.0.0",
     "ember-debug-logger":"2.1.1",
     "adm-zip": "0.4.10",
     "body-parser": "1.9.0",