fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-TINYMCE-598223
- https://snyk.io/vuln/SNYK-JS-TINYMCE-568922
- https://snyk.io/vuln/SNYK-JS-TINYMCE-543825
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/npm:tinymce:20150813
- https://snyk.io/vuln/npm:tinymce:20170613
- https://snyk.io/vuln/npm:tinymce:20180522
- https://snyk.io/vuln/SNYK-JS-TINYMCE-6016276
- https://snyk.io/vuln/SNYK-JS-TINYMCE-6016290
- https://snyk.io/vuln/SNYK-JS-TINYMCE-6062167
- https://snyk.io/vuln/SNYK-JS-TINYMCE-1910225
- https://snyk.io/vuln/SNYK-JS-TINYMCE-1766967
- https://snyk.io/vuln/SNYK-JS-TINYMCE-1056408
- https://snyk.io/vuln/SNYK-JS-TINYMCE-3166281
- https://snyk.io/vuln/SNYK-JS-TINYMCE-1298037
- https://snyk.io/vuln/SNYK-JS-TINYMCE-6501006
- https://snyk.io/vuln/SNYK-JS-TINYMCE-6501605

package.json

@@ -15,15 +15,15 @@
     "test": "snyk test"
   },
   "dependencies": {
-    "tinymce":"4.2.3",
+    "tinymce":"7.0.0",
     "yallist":"4.0.0",
     "fs":"0.0.1-security",
     "nopt":"1.0.10",
     "electron":"29.1.6",
     "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",