Upgraded yarn dependencies.

package.json

@@ -5,7 +5,7 @@
         "bootstrap": "^4.4.1",
         "jquery": "^3.3.1",
         "popper.js": "^1.14.7",
-        "webpack-notifier": "1.6.0"
+        "webpack-notifier": "1.8.0"
     },
     "license": "UNLICENSED",
     "private": true,
@@ -16,15 +16,14 @@
         "build": "encore production --progress"
     },
     "dependencies": {
-        "@ckeditor/ckeditor5-build-classic": "^12.0.0",
         "@types/bootbox": "^5.2.0",
         "@types/bootstrap": "^4.3.0",
         "@types/bootstrap-treeview": "^1.20.0",
         "@types/jquery": "^3.3.29",
         "@types/jquery.form": "^3.26.30",
-        "@types/marked": "^0.6.5",
+        "@types/marked": "^0.7.2",
         "@types/typeahead": "^0.11.32",
-        "bootbox": "^5.1.0",
+        "bootbox": "^5.4.0",
         "bootstrap-fileinput": "^5.0.1",
         "bootstrap-select": "^1.13.8",
         "bootswatch": "^4.3.1",
@@ -41,11 +40,11 @@
         "exports-loader": "^0.7.0",
         "jquery-form": "^4.2.2",
         "jszip": "^3.2.0",
-        "marked": "^0.7.0",
+        "marked": "^0.8.0",
         "patternfly-bootstrap-treeview": "^2.1.8",
         "pdfmake": "^0.1.53",
         "qrcode": "^1.4.4",
-        "ts-loader": "^5.3.3",
+        "ts-loader": "^5.3.0",
         "typescript": "^3.3.4000",
         "u2f-api": "^1.1.1"
     }